164051291 has 8 divisors (see below), whose sum is σ = 171630144. Its totient is φ = 156642880.

The previous prime is 164051269. The next prime is 164051299. The reversal of 164051291 is 192150461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164051291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164051299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40640 + ... + 44493.

It is an arithmetic number, because the mean of its divisors is an integer number (21453768).

Almost surely, 2^164051291 is an apocalyptic number.

164051291 is a deficient number, since it is larger than the sum of its proper divisors (7578853).

164051291 is an equidigital number, since it uses as much as digits as its factorization.

164051291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85221.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 164051291 is about 12808.2508954189. The cubic root of 164051291 is about 547.4274248928.

The spelling of 164051291 in words is "one hundred sixty-four million, fifty-one thousand, two hundred ninety-one".