168525201087 has 12 divisors (see below), whose sum is σ = 243437903800. Its totient is φ = 112344312528.

The previous prime is 168525201083. The next prime is 168525201107. The reversal of 168525201087 is 780102525861.

168525201087 is a `hidden beast` number, since 1 + 68 + 52 + 520 + 10 + 8 + 7 = 666.

It is not a de Polignac number, because 168525201087 - 2² = 168525201083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168525201083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297988 + ... + 652569.

Almost surely, 2^168525201087 is an apocalyptic number.

168525201087 is a deficient number, since it is larger than the sum of its proper divisors (74912702713).

168525201087 is a wasteful number, since it uses less digits than its factorization.

168525201087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970262 (or 970259 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 168525201087 in words is "one hundred sixty-eight billion, five hundred twenty-five million, two hundred one thousand, eighty-seven".