7165554872 has 32 divisors (see below), whose sum is σ = 16022361600. Its totient is φ = 2937431904.

The previous prime is 7165554863. The next prime is 7165554931. The reversal of 7165554872 is 2784555617.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 7165554872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2780372 + ... + 2782947.

It is an arithmetic number, because the mean of its divisors is an integer number (500698800).

Almost surely, 2^7165554872 is an apocalyptic number.

It is an amenable number.

7165554872 is an abundant number, since it is smaller than the sum of its proper divisors (8856806728).

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

7165554872 is a wasteful number, since it uses less digits than its factorization.

7165554872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563355 (or 5563351 counting only the distinct ones).

The product of its digits is 2352000, while the sum is 50.

The square root of 7165554872 is about 84649.6005424716. The cubic root of 7165554872 is about 1927.8945488201.

The spelling of 7165554872 in words is "seven billion, one hundred sixty-five million, five hundred fifty-four thousand, eight hundred seventy-two".