87167291616 has 48 divisors (see below), whose sum is σ = 254237936400. Its totient is φ = 29055763584.

The previous prime is 87167291579. The next prime is 87167291641. The reversal of 87167291616 is 61619276178.

87167291616 is a `hidden beast` number, since 8 + 7 + 16 + 7 + 2 + 9 + 1 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 50443171 + ... + 50444898.

It is an arithmetic number, because the mean of its divisors is an integer number (5296623675).

Almost surely, 2^87167291616 is an apocalyptic number.

It is an amenable number.

87167291616 is an abundant number, since it is smaller than the sum of its proper divisors (167070644784).

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

87167291616 is a wasteful number, since it uses less digits than its factorization.

87167291616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100888088 (or 100888074 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The spelling of 87167291616 in words is "eighty-seven billion, one hundred sixty-seven million, two hundred ninety-one thousand, six hundred sixteen".