164647601 has 16 divisors (see below), whose sum is σ = 178381440. Its totient is φ = 151399680.

The previous prime is 164647591. The next prime is 164647619. The reversal of 164647601 is 106746461.

It is a cyclic number.

It is not a de Polignac number, because 164647601 - 2⁶ = 164647537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164647621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185180 + ... + 186066.

It is an arithmetic number, because the mean of its divisors is an integer number (11148840).

Almost surely, 2^164647601 is an apocalyptic number.

It is an amenable number.

164647601 is a deficient number, since it is larger than the sum of its proper divisors (13733839).

164647601 is a wasteful number, since it uses less digits than its factorization.

164647601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 164647601 is about 12831.5081342763. The cubic root of 164647601 is about 548.0899041318.

The spelling of 164647601 in words is "one hundred sixty-four million, six hundred forty-seven thousand, six hundred one".