88161617680 has 40 divisors (see below), whose sum is σ = 208035113472. Its totient is φ = 34738306944.

The previous prime is 88161617639. The next prime is 88161617683. The reversal of 88161617680 is 8671616188.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (88161617683) 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, 8218672 + ... + 8229391.

Almost surely, 2^88161617680 is an apocalyptic number.

88161617680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

88161617680 is an abundant number, since it is smaller than the sum of its proper divisors (119873495792).

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

88161617680 is a wasteful number, since it uses less digits than its factorization.

88161617680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16448143 (or 16448137 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 52.

The spelling of 88161617680 in words is "eighty-eight billion, one hundred sixty-one million, six hundred seventeen thousand, six hundred eighty".