168712901 has 16 divisors (see below), whose sum is σ = 196362240. Its totient is φ = 141966000.

The previous prime is 168712891. The next prime is 168712927. The reversal of 168712901 is 109217861.

It is a cyclic number.

It is not a de Polignac number, because 168712901 - 2²⁶ = 101604037 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 (168711901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224276 + ... + 225026.

It is an arithmetic number, because the mean of its divisors is an integer number (12272640).

Almost surely, 2^168712901 is an apocalyptic number.

It is an amenable number.

168712901 is a deficient number, since it is larger than the sum of its proper divisors (27649339).

168712901 is an equidigital number, since it uses as much as digits as its factorization.

168712901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304.

The product of its (nonzero) digits is 6048, while the sum is 35.

The square root of 168712901 is about 12988.9530371004. The cubic root of 168712901 is about 552.5642258623.

The spelling of 168712901 in words is "one hundred sixty-eight million, seven hundred twelve thousand, nine hundred one".