163451114261015 has 48 divisors (see below), whose sum is σ = 236166315208704. Its totient is φ = 108169708046400.

The previous prime is 163451114261009. The next prime is 163451114261033. The reversal of 163451114261015 is 510162411154361.

It is not a de Polignac number, because 163451114261015 - 2³⁸ = 163176236354071 is a prime.

It is a super-2 number, since 2×163451114261015² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26532641 + ... + 32107370.

It is an arithmetic number, because the mean of its divisors is an integer number (4920131566848).

Almost surely, 2^{163451114261015} is an apocalyptic number.

163451114261015 is a deficient number, since it is larger than the sum of its proper divisors (72715200947689).

163451114261015 is a wasteful number, since it uses less digits than its factorization.

163451114261015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58640428 (or 58640421 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 163451114261015 in words is "one hundred sixty-three trillion, four hundred fifty-one billion, one hundred fourteen million, two hundred sixty-one thousand, fifteen".