7664690146880 has 112 divisors (see below), whose sum is σ = 19656424617984. Its totient is φ = 2829907507200.

The previous prime is 7664690146877. The next prime is 7664690146933. The reversal of 7664690146880 is 886410964667.

It is a Harshad number since it is a multiple of its sum of digits (65).

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, 172796705 + ... + 172841055.

It is an arithmetic number, because the mean of its divisors is an integer number (175503791232).

Almost surely, 2^{7664690146880} is an apocalyptic number.

It is an amenable number.

7664690146880 is an abundant number, since it is smaller than the sum of its proper divisors (11991734471104).

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

7664690146880 is a wasteful number, since it uses less digits than its factorization.

7664690146880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85924 (or 85914 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 65.

The spelling of 7664690146880 in words is "seven trillion, six hundred sixty-four billion, six hundred ninety million, one hundred forty-six thousand, eight hundred eighty".