618519551748 has 48 divisors (see below), whose sum is σ = 1746408150144. Its totient is φ = 166324584960.

The previous prime is 618519551681. The next prime is 618519551753. The reversal of 618519551748 is 847155915816.

It is a junction number, because it is equal to n+sod(n) for n = 618519551691 and 618519551700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216567043 + ... + 216569898.

It is an arithmetic number, because the mean of its divisors is an integer number (36383503128).

Almost surely, 2^618519551748 is an apocalyptic number.

618519551748 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

618519551748 is an abundant number, since it is smaller than the sum of its proper divisors (1127888598396).

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

618519551748 is a wasteful number, since it uses less digits than its factorization.

618519551748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433136972 (or 433136970 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 60.

The spelling of 618519551748 in words is "six hundred eighteen billion, five hundred nineteen million, five hundred fifty-one thousand, seven hundred forty-eight".