8161473772016 has 40 divisors (see below), whose sum is σ = 16276459192320. Its totient is φ = 3962464519104.

The previous prime is 8161473772009. The next prime is 8161473772031. The reversal of 8161473772016 is 6102773741618.

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, 42632936 + ... + 42823943.

It is an arithmetic number, because the mean of its divisors is an integer number (406911479808).

Almost surely, 2^{8161473772016} is an apocalyptic number.

It is an amenable number.

8161473772016 is a deficient number, since it is larger than the sum of its proper divisors (8114985420304).

8161473772016 is a wasteful number, since it uses less digits than its factorization.

8161473772016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85457061 (or 85457055 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 8161473772016 in words is "eight trillion, one hundred sixty-one billion, four hundred seventy-three million, seven hundred seventy-two thousand, sixteen".