164251607 has 6 divisors (see below), whose sum is σ = 177858432. Its totient is φ = 151616712.

The previous prime is 164251601. The next prime is 164251627. The reversal of 164251607 is 706152461.

It is not a de Polignac number, because 164251607 - 2¹² = 164247511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164251601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 485783 + ... + 486120.

It is an arithmetic number, because the mean of its divisors is an integer number (29643072).

Almost surely, 2^164251607 is an apocalyptic number.

164251607 is a deficient number, since it is larger than the sum of its proper divisors (13606825).

164251607 is an equidigital number, since it uses as much as digits as its factorization.

164251607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971929 (or 971916 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 164251607 is about 12816.0683128641. The cubic root of 164251607 is about 547.6501476534.

The spelling of 164251607 in words is "one hundred sixty-four million, two hundred fifty-one thousand, six hundred seven".