618475290624 has 111 divisors (see below), whose sum is σ = 1786706395123. Its totient is φ = 206158430208.

The previous prime is 618475290607. The next prime is 618475290649. The reversal of 618475290624 is 426092574816.

The square root of 618475290624 is 786432.

It is a perfect power (a square), and thus also a powerful number.

It is a Jordan-Polya number, since it can be written as (4!)² ⋅ (2!)³⁰.

618475290624 is a `hidden beast` number, since 6 + 1 + 8 + 4 + 7 + 5 + 2 + 9 + 0 + 624 = 666.

It is an ABA number since it can be written as A⋅B^A, here for A=9, B=16.

It is a super-2 number, since 2×618475290624² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 4, base 8 and base 16.

It is a zygodrome in base 8.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (2) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 206158430207 + 206158430208 + 206158430209.

Almost surely, 2^618475290624 is an apocalyptic number.

618475290624 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

618475290624 is the 786432-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618475290624

618475290624 is an abundant number, since it is smaller than the sum of its proper divisors (1168231104499).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

618475290624 is an frugal number, since it uses more digits than its factorization.

618475290624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 5 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 618475290624 in words is "six hundred eighteen billion, four hundred seventy-five million, two hundred ninety thousand, six hundred twenty-four".