8181650373032 has 16 divisors (see below), whose sum is σ = 16147994157600. Its totient is φ = 3875518597680.

The previous prime is 8181650373031. The next prime is 8181650373077. The reversal of 8181650373032 is 2303730561818.

It is not an unprimeable number, because it can be changed into a prime (8181650373031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26913323444 + ... + 26913323747.

It is an arithmetic number, because the mean of its divisors is an integer number (1009249634850).

Almost surely, 2^{8181650373032} is an apocalyptic number.

It is an amenable number.

8181650373032 is a deficient number, since it is larger than the sum of its proper divisors (7966343784568).

8181650373032 is a wasteful number, since it uses less digits than its factorization.

8181650373032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53826647216 (or 53826647212 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 8181650373032 in words is "eight trillion, one hundred eighty-one billion, six hundred fifty million, three hundred seventy-three thousand, thirty-two".