164730270 has 32 divisors (see below), whose sum is σ = 398859552. Its totient is φ = 43538432.

The previous prime is 164730259. The next prime is 164730271. The reversal of 164730270 is 72037461.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164730271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20907 + ... + 27686.

It is an arithmetic number, because the mean of its divisors is an integer number (12464361).

Almost surely, 2^164730270 is an apocalyptic number.

164730270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164730270 is an abundant number, since it is smaller than the sum of its proper divisors (234129282).

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

164730270 is a wasteful number, since it uses less digits than its factorization.

164730270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48716.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 164730270 is about 12834.7290583012. The cubic root of 164730270 is about 548.1816201418.

The spelling of 164730270 in words is "one hundred sixty-four million, seven hundred thirty thousand, two hundred seventy".