163416627025 has 24 divisors (see below), whose sum is σ = 208254865280. Its totient is φ = 127135189440.

The previous prime is 163416627019. The next prime is 163416627029. The reversal of 163416627025 is 520726614361.

It is not a de Polignac number, because 163416627025 - 2²⁹ = 162879756113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (163416627029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85737 + ... + 578086.

Almost surely, 2^163416627025 is an apocalyptic number.

It is an amenable number.

163416627025 is a deficient number, since it is larger than the sum of its proper divisors (44838238255).

163416627025 is a wasteful number, since it uses less digits than its factorization.

163416627025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664105 (or 664100 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 163416627025 in words is "one hundred sixty-three billion, four hundred sixteen million, six hundred twenty-seven thousand, twenty-five".