164615053 has 4 divisors (see below), whose sum is σ = 169925248. Its totient is φ = 159304860.

The previous prime is 164615039. The next prime is 164615081. The reversal of 164615053 is 350516461.

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, and also an emirpimes, since its reverse is a distinct semiprime: 350516461 = 397 ⋅882913.

It is a cyclic number.

It is not a de Polignac number, because 164615053 - 2²⁵ = 131060621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 5310163 = 164615053 / (1 + 6 + 4 + 6 + 1 + 5 + 0 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164615093) 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, 2655051 + ... + 2655112.

It is an arithmetic number, because the mean of its divisors is an integer number (42481312).

Almost surely, 2^164615053 is an apocalyptic number.

It is an amenable number.

164615053 is a deficient number, since it is larger than the sum of its proper divisors (5310195).

164615053 is an equidigital number, since it uses as much as digits as its factorization.

164615053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310194.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 164615053 is about 12830.2397873150. The cubic root of 164615053 is about 548.0537857681.

The spelling of 164615053 in words is "one hundred sixty-four million, six hundred fifteen thousand, fifty-three".