164355331 has 8 divisors (see below), whose sum is σ = 192203264. Its totient is φ = 137599560.

The previous prime is 164355329. The next prime is 164355341. The reversal of 164355331 is 133553461.

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

It is not a de Polignac number, because 164355331 - 2¹ = 164355329 is a prime.

It is a super-2 number, since 2×164355331² = 54025349656239122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164355293 and 164355302.

It is not an unprimeable number, because it can be changed into a prime (164355311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272715 + ... + 273316.

It is an arithmetic number, because the mean of its divisors is an integer number (24025408).

Almost surely, 2^164355331 is an apocalyptic number.

164355331 is a deficient number, since it is larger than the sum of its proper divisors (27847933).

164355331 is an equidigital number, since it uses as much as digits as its factorization.

164355331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546081.

The product of its digits is 16200, while the sum is 31.

The square root of 164355331 is about 12820.1143130629. The cubic root of 164355331 is about 547.7654027629.

The spelling of 164355331 in words is "one hundred sixty-four million, three hundred fifty-five thousand, three hundred thirty-one".