618864512 has 96 divisors (see below), whose sum is σ = 1453500000. Its totient is φ = 261660672.

The previous prime is 618864509. The next prime is 618864529. The reversal of 618864512 is 215468816.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 618864512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 494864 + ... + 496112.

It is an arithmetic number, because the mean of its divisors is an integer number (15140625).

Almost surely, 2^618864512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618864512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726750000).

618864512 is an abundant number, since it is smaller than the sum of its proper divisors (834635488).

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

618864512 is a wasteful number, since it uses less digits than its factorization.

618864512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356 (or 1337 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 618864512 is about 24876.9875989839. The cubic root of 618864512 is about 852.1810249628.

The spelling of 618864512 in words is "six hundred eighteen million, eight hundred sixty-four thousand, five hundred twelve".