164610607251 has 32 divisors (see below), whose sum is σ = 226476315648. Its totient is φ = 106286937120.

The previous prime is 164610607243. The next prime is 164610607319. The reversal of 164610607251 is 152706016461.

It is not a de Polignac number, because 164610607251 - 2³ = 164610607243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164610607201) 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 31 ways as a sum of consecutive naturals, for example, 27491680 + ... + 27497666.

It is an arithmetic number, because the mean of its divisors is an integer number (7077384864).

Almost surely, 2^164610607251 is an apocalyptic number.

164610607251 is a deficient number, since it is larger than the sum of its proper divisors (61865708397).

164610607251 is a wasteful number, since it uses less digits than its factorization.

164610607251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7791.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 164610607251 in words is "one hundred sixty-four billion, six hundred ten million, six hundred seven thousand, two hundred fifty-one".