163312051 has 12 divisors (see below), whose sum is σ = 191862000. Its totient is φ = 138591600.

The previous prime is 163312003. The next prime is 163312069. The reversal of 163312051 is 150213361.

It is a happy number.

It is not a de Polignac number, because 163312051 - 2⁷ = 163311923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163312651) 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, 11551 + ... + 21448.

It is an arithmetic number, because the mean of its divisors is an integer number (15988500).

Almost surely, 2^163312051 is an apocalyptic number.

163312051 is a deficient number, since it is larger than the sum of its proper divisors (28549949).

163312051 is a wasteful number, since it uses less digits than its factorization.

163312051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33114 (or 33107 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 163312051 is about 12779.3603517547. The cubic root of 163312051 is about 546.6039230405.

The spelling of 163312051 in words is "one hundred sixty-three million, three hundred twelve thousand, fifty-one".