7651691916 has 48 divisors (see below), whose sum is σ = 19484226048. Its totient is φ = 2317838400.

The previous prime is 7651691903. The next prime is 7651691923. The reversal of 7651691916 is 6191961567.

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, 410781 + ... + 429003.

It is an arithmetic number, because the mean of its divisors is an integer number (405921376).

Almost surely, 2^7651691916 is an apocalyptic number.

It is an amenable number.

7651691916 is an abundant number, since it is smaller than the sum of its proper divisors (11832534132).

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

7651691916 is a wasteful number, since it uses less digits than its factorization.

7651691916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21422 (or 21420 counting only the distinct ones).

The product of its digits is 612360, while the sum is 51.

The square root of 7651691916 is about 87473.9499279643. The cubic root of 7651691916 is about 1970.5425868513.

The spelling of 7651691916 in words is "seven billion, six hundred fifty-one million, six hundred ninety-one thousand, nine hundred sixteen".