7320166900 has 36 divisors (see below), whose sum is σ = 16042059180. Its totient is φ = 2899072000.

The previous prime is 7320166813. The next prime is 7320166933. The reversal of 7320166900 is 96610237.

It can be written as a sum of positive squares in 6 ways, for example, as 10942864 + 7309224036 = 3308^2 + 85494^2 .

It is a super-2 number, since 2×7320166900² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 352285 + ... + 372484.

It is an arithmetic number, because the mean of its divisors is an integer number (445612755).

Almost surely, 2^7320166900 is an apocalyptic number.

It is an amenable number.

7320166900 is an abundant number, since it is smaller than the sum of its proper divisors (8721892280).

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

7320166900 is a wasteful number, since it uses less digits than its factorization.

7320166900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724884 (or 724877 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 7320166900 is about 85557.9739124297. The cubic root of 7320166900 is about 1941.6621334685.

The spelling of 7320166900 in words is "seven billion, three hundred twenty million, one hundred sixty-six thousand, nine hundred".