164907131 has 2 divisors, whose sum is σ = 164907132. Its totient is φ = 164907130.

The previous prime is 164907103. The next prime is 164907133. The reversal of 164907131 is 131709461.

164907131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164907131 - 2¹⁰ = 164906107 is a prime.

It is a super-2 number, since 2×164907131² = 54388723709302322, which contains 22 as substring.

Together with 164907133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164907133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82453565 + 82453566.

It is an arithmetic number, because the mean of its divisors is an integer number (82453566).

Almost surely, 2^164907131 is an apocalyptic number.

164907131 is a deficient number, since it is larger than the sum of its proper divisors (1).

164907131 is an equidigital number, since it uses as much as digits as its factorization.

164907131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 164907131 is about 12841.6171489420. The cubic root of 164907131 is about 548.3777332040.

The spelling of 164907131 in words is "one hundred sixty-four million, nine hundred seven thousand, one hundred thirty-one".