7123665604 has 12 divisors (see below), whose sum is σ = 13599725328. Its totient is φ = 3238029800.

The previous prime is 7123665587. The next prime is 7123665613. The reversal of 7123665604 is 4065663217.

It is a super-2 number, since 2×7123665604² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 80950702 + ... + 80950789.

It is an arithmetic number, because the mean of its divisors is an integer number (1133310444).

Almost surely, 2^7123665604 is an apocalyptic number.

It is an amenable number.

7123665604 is a deficient number, since it is larger than the sum of its proper divisors (6476059724).

7123665604 is a wasteful number, since it uses less digits than its factorization.

7123665604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161901506 (or 161901504 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 7123665604 is about 84401.8104308196. The cubic root of 7123665604 is about 1924.1304312491.

The spelling of 7123665604 in words is "seven billion, one hundred twenty-three million, six hundred sixty-five thousand, six hundred four".