164171067031 has 2 divisors, whose sum is σ = 164171067032. Its totient is φ = 164171067030.

The previous prime is 164171066999. The next prime is 164171067131. The reversal of 164171067031 is 130760171461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164171067031 - 2⁵ = 164171066999 is a prime.

It is a super-2 number, since 2×164171067031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164171067131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82085533515 + 82085533516.

It is an arithmetic number, because the mean of its divisors is an integer number (82085533516).

Almost surely, 2^164171067031 is an apocalyptic number.

164171067031 is a deficient number, since it is larger than the sum of its proper divisors (1).

164171067031 is an equidigital number, since it uses as much as digits as its factorization.

164171067031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 164171067031 in words is "one hundred sixty-four billion, one hundred seventy-one million, sixty-seven thousand, thirty-one".