8881640092160 has 80 divisors (see below), whose sum is σ = 23231039939712. Its totient is φ = 3229687296000.

The previous prime is 8881640092159. The next prime is 8881640092163. The reversal of 8881640092160 is 612900461888.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (8881640092163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157671416 + ... + 157727735.

Almost surely, 2^{8881640092160} is an apocalyptic number.

8881640092160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8881640092160 is an abundant number, since it is smaller than the sum of its proper divisors (14349399847552).

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

8881640092160 is a wasteful number, since it uses less digits than its factorization.

8881640092160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315399185 (or 315399169 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 53.

The spelling of 8881640092160 in words is "eight trillion, eight hundred eighty-one billion, six hundred forty million, ninety-two thousand, one hundred sixty".