164954731 has 8 divisors (see below), whose sum is σ = 166767984. Its totient is φ = 163146720.

The previous prime is 164954729. The next prime is 164954743. The reversal of 164954731 is 137459461.

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

It is a cyclic number.

It is not a de Polignac number, because 164954731 - 2¹ = 164954729 is a prime.

It is a super-2 number, since 2×164954731² = 54420126558564722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164957731) 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, 112801 + ... + 114253.

It is an arithmetic number, because the mean of its divisors is an integer number (20845998).

Almost surely, 2^164954731 is an apocalyptic number.

164954731 is a deficient number, since it is larger than the sum of its proper divisors (1813253).

164954731 is a wasteful number, since it uses less digits than its factorization.

164954731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621.

The product of its digits is 90720, while the sum is 40.

The square root of 164954731 is about 12843.4703643525. The cubic root of 164954731 is about 548.4304907143.

The spelling of 164954731 in words is "one hundred sixty-four million, nine hundred fifty-four thousand, seven hundred thirty-one".