164323951 has 12 divisors (see below), whose sum is σ = 189198504. Its totient is φ = 141519600.

The previous prime is 164323849. The next prime is 164323961. The reversal of 164323951 is 159323461.

It is not a de Polignac number, because 164323951 - 2⁷ = 164323823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164323961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16720 + ... + 24661.

It is an arithmetic number, because the mean of its divisors is an integer number (15766542).

Almost surely, 2^164323951 is an apocalyptic number.

164323951 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

164323951 is a deficient number, since it is larger than the sum of its proper divisors (24874553).

164323951 is a wasteful number, since it uses less digits than its factorization.

164323951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41430 (or 41411 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 164323951 is about 12818.8903965983. The cubic root of 164323951 is about 547.7305393316.

The spelling of 164323951 in words is "one hundred sixty-four million, three hundred twenty-three thousand, nine hundred fifty-one".