164262131 has 4 divisors (see below), whose sum is σ = 179195064. Its totient is φ = 149329200.

The previous prime is 164262127. The next prime is 164262139. The reversal of 164262131 is 131262461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131262461 = 11 ⋅11932951.

It is a cyclic number.

It is not a de Polignac number, because 164262131 - 2² = 164262127 is a prime.

It is a super-2 number, since 2×164262131² = 53964095361322322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164262131.

It is not an unprimeable number, because it can be changed into a prime (164262139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7466450 + ... + 7466471.

It is an arithmetic number, because the mean of its divisors is an integer number (44798766).

Almost surely, 2^164262131 is an apocalyptic number.

164262131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

164262131 is a deficient number, since it is larger than the sum of its proper divisors (14932933).

164262131 is a wasteful number, since it uses less digits than its factorization.

164262131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14932932.

The product of its digits is 1728, while the sum is 26.

The square root of 164262131 is about 12816.4788846235. The cubic root of 164262131 is about 547.6618438293.

The spelling of 164262131 in words is "one hundred sixty-four million, two hundred sixty-two thousand, one hundred thirty-one".