164170451 has 8 divisors (see below), whose sum is σ = 169674624. Its totient is φ = 158679360.

The previous prime is 164170429. The next prime is 164170471. The reversal of 164170451 is 154071461.

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-164170451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164170471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26765 + ... + 32321.

It is an arithmetic number, because the mean of its divisors is an integer number (21209328).

Almost surely, 2^164170451 is an apocalyptic number.

164170451 is a deficient number, since it is larger than the sum of its proper divisors (5504173).

164170451 is an equidigital number, since it uses as much as digits as its factorization.

164170451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 164170451 is about 12812.9017400431. The cubic root of 164170451 is about 547.5599356138.

The spelling of 164170451 in words is "one hundred sixty-four million, one hundred seventy thousand, four hundred fifty-one".