164735270 has 32 divisors (see below), whose sum is σ = 358820928. Its totient is φ = 53157888.

The previous prime is 164735261. The next prime is 164735293. The reversal of 164735270 is 72537461.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 164735270.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 68027 + ... + 70406.

It is an arithmetic number, because the mean of its divisors is an integer number (11213154).

Almost surely, 2^164735270 is an apocalyptic number.

164735270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164735270 is an abundant number, since it is smaller than the sum of its proper divisors (194085658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164735270 is a wasteful number, since it uses less digits than its factorization.

164735270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138464.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 164735270 is about 12834.9238408336. The cubic root of 164735270 is about 548.1871663404.

The spelling of 164735270 in words is "one hundred sixty-four million, seven hundred thirty-five thousand, two hundred seventy".