164557337 has 12 divisors (see below), whose sum is σ = 192001536. Its totient is φ = 141034740.

The previous prime is 164557307. The next prime is 164557361. The reversal of 164557337 is 733755461.

It is a happy number.

It is not a de Polignac number, because 164557337 - 2⁶ = 164557273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164557294 and 164557303.

It is not an unprimeable number, because it can be changed into a prime (164557307) 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, 11912 + ... + 21702.

It is an arithmetic number, because the mean of its divisors is an integer number (16000128).

Almost surely, 2^164557337 is an apocalyptic number.

It is an amenable number.

164557337 is a deficient number, since it is larger than the sum of its proper divisors (27444199).

164557337 is an frugal number, since it uses more digits than its factorization.

164557337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9826 (or 9798 counting only the distinct ones).

The product of its digits is 264600, while the sum is 41.

The square root of 164557337 is about 12827.9903726188. The cubic root of 164557337 is about 547.9897268840.

The spelling of 164557337 in words is "one hundred sixty-four million, five hundred fifty-seven thousand, three hundred thirty-seven".