164806601 has 4 divisors (see below), whose sum is σ = 165992400. Its totient is φ = 163620804.

The previous prime is 164806591. The next prime is 164806637. The reversal of 164806601 is 106608461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 164806601 - 2²⁶ = 97697737 is a prime.

It is a super-2 number, since 2×164806601² = 54322431466346402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164806651) 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 3 ways as a sum of consecutive naturals, for example, 592691 + ... + 592968.

It is an arithmetic number, because the mean of its divisors is an integer number (41498100).

Almost surely, 2^164806601 is an apocalyptic number.

It is an amenable number.

164806601 is a deficient number, since it is larger than the sum of its proper divisors (1185799).

164806601 is a wasteful number, since it uses less digits than its factorization.

164806601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185798.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 164806601 is about 12837.7023255721. The cubic root of 164806601 is about 548.2662773008.

The spelling of 164806601 in words is "one hundred sixty-four million, eight hundred six thousand, six hundred one".