88189141640 has 32 divisors (see below), whose sum is σ = 198434384280. Its totient is φ = 35274089472.

The previous prime is 88189141631. The next prime is 88189141679. The reversal of 88189141640 is 4614198188.

It can be written as a sum of positive squares in 4 ways, for example, as 63124552516 + 25064589124 = 251246^2 + 158318^2 .

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, 1370672 + ... + 1433568.

Almost surely, 2^88189141640 is an apocalyptic number.

It is an amenable number.

88189141640 is an abundant number, since it is smaller than the sum of its proper divisors (110245242640).

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

88189141640 is a wasteful number, since it uses less digits than its factorization.

88189141640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97961 (or 97957 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 50.

The spelling of 88189141640 in words is "eighty-eight billion, one hundred eighty-nine million, one hundred forty-one thousand, six hundred forty".