7660512618 has 64 divisors (see below), whose sum is σ = 17552166912. Its totient is φ = 2206226880.

The previous prime is 7660512577. The next prime is 7660512631. The reversal of 7660512618 is 8162150667.

It is a self number, because there is not a number n which added to its sum of digits gives 7660512618.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222255 + ... + 254397.

It is an arithmetic number, because the mean of its divisors is an integer number (274252608).

Almost surely, 2^7660512618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7660512618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8776083456).

7660512618 is an abundant number, since it is smaller than the sum of its proper divisors (9891654294).

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

7660512618 is a wasteful number, since it uses less digits than its factorization.

7660512618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32339.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 7660512618 is about 87524.3544277820. The cubic root of 7660512618 is about 1971.2994954484.

The spelling of 7660512618 in words is "seven billion, six hundred sixty million, five hundred twelve thousand, six hundred eighteen".