164531355 has 64 divisors (see below), whose sum is σ = 303782400. Its totient is φ = 75479040.

The previous prime is 164531347. The next prime is 164531369. The reversal of 164531355 is 553135461.

It is not a de Polignac number, because 164531355 - 2³ = 164531347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139920 + ... + 141090.

It is an arithmetic number, because the mean of its divisors is an integer number (4746600).

Almost surely, 2^164531355 is an apocalyptic number.

164531355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164531355 is a deficient number, since it is larger than the sum of its proper divisors (139251045).

164531355 is a wasteful number, since it uses less digits than its factorization.

164531355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244.

The product of its digits is 27000, while the sum is 33.

The square root of 164531355 is about 12826.9776253021. The cubic root of 164531355 is about 547.9608846199.

The spelling of 164531355 in words is "one hundred sixty-four million, five hundred thirty-one thousand, three hundred fifty-five".