87032167321640 has 32 divisors (see below), whose sum is σ = 202139227330560. Its totient is φ = 33689871220800.

The previous prime is 87032167321549. The next prime is 87032167321709. The reversal of 87032167321640 is 4612376123078.

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, 35093614616 + ... + 35093617095.

It is an arithmetic number, because the mean of its divisors is an integer number (6316850854080).

Almost surely, 2^{87032167321640} is an apocalyptic number.

It is an amenable number.

87032167321640 is an abundant number, since it is smaller than the sum of its proper divisors (115107060008920).

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

87032167321640 is a wasteful number, since it uses less digits than its factorization.

87032167321640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70187231753 (or 70187231749 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 87032167321640 in words is "eighty-seven trillion, thirty-two billion, one hundred sixty-seven million, three hundred twenty-one thousand, six hundred forty".