164605506031 has 4 divisors (see below), whose sum is σ = 164608287592. Its totient is φ = 164602724472.

The previous prime is 164605505993. The next prime is 164605506041. The reversal of 164605506031 is 130605506461.

164605506031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164605506031 - 2²⁹ = 164068635119 is a prime.

It is a super-2 number, since 2×164605506031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164605506041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1300041 + ... + 1421026.

It is an arithmetic number, because the mean of its divisors is an integer number (41152071898).

Almost surely, 2^164605506031 is an apocalyptic number.

164605506031 is a deficient number, since it is larger than the sum of its proper divisors (2781561).

164605506031 is an equidigital number, since it uses as much as digits as its factorization.

164605506031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2781560.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 164605506031 in words is "one hundred sixty-four billion, six hundred five million, five hundred six thousand, thirty-one".