168896031 has 16 divisors (see below), whose sum is σ = 227040000. Its totient is φ = 111679488.

The previous prime is 168896011. The next prime is 168896033. The reversal of 168896031 is 130698861.

It is not a de Polignac number, because 168896031 - 2⁵ = 168895999 is a prime.

It is a super-2 number, since 2×168896031² = 57051738575105922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168896033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338220 + ... + 338718.

It is an arithmetic number, because the mean of its divisors is an integer number (14190000).

Almost surely, 2^168896031 is an apocalyptic number.

168896031 is a deficient number, since it is larger than the sum of its proper divisors (58143969).

168896031 is a wasteful number, since it uses less digits than its factorization.

168896031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 168896031 is about 12996.0005771006. Note that the first 3 decimals coincide. The cubic root of 168896031 is about 552.7640811498.

The spelling of 168896031 in words is "one hundred sixty-eight million, eight hundred ninety-six thousand, thirty-one".