164317655 has 16 divisors (see below), whose sum is σ = 201065760. Its totient is φ = 128876928.

The previous prime is 164317633. The next prime is 164317667. The reversal of 164317655 is 556713461.

It is a cyclic number.

It is not a de Polignac number, because 164317655 - 2¹⁶ = 164252119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192209 + ... + 193061.

It is an arithmetic number, because the mean of its divisors is an integer number (12566610).

Almost surely, 2^164317655 is an apocalyptic number.

164317655 is a deficient number, since it is larger than the sum of its proper divisors (36748105).

164317655 is an equidigital number, since it uses as much as digits as its factorization.

164317655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570.

The product of its digits is 75600, while the sum is 38.

The square root of 164317655 is about 12818.6448191687. The cubic root of 164317655 is about 547.7235438906.

The spelling of 164317655 in words is "one hundred sixty-four million, three hundred seventeen thousand, six hundred fifty-five".