167312201 has 4 divisors (see below), whose sum is σ = 191213952. Its totient is φ = 143410452.

The previous prime is 167312191. The next prime is 167312219. The reversal of 167312201 is 102213761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102213761 = 13 ⋅7862597.

It is a cyclic number.

It is not a de Polignac number, because 167312201 - 2²² = 163117897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (167312251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11950865 + ... + 11950878.

It is an arithmetic number, because the mean of its divisors is an integer number (47803488).

Almost surely, 2^167312201 is an apocalyptic number.

It is an amenable number.

167312201 is a deficient number, since it is larger than the sum of its proper divisors (23901751).

167312201 is an equidigital number, since it uses as much as digits as its factorization.

167312201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23901750.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 167312201 is about 12934.9217624228. The cubic root of 167312201 is about 551.0307952788.

Adding to 167312201 its reverse (102213761), we get a palindrome (269525962).

The spelling of 167312201 in words is "one hundred sixty-seven million, three hundred twelve thousand, two hundred one".