164151270 has 24 divisors (see below), whose sum is σ = 426793536. Its totient is φ = 43773648.

The previous prime is 164151263. The next prime is 164151283. The reversal of 164151270 is 72151461.

It is a happy number.

164151270 is a `hidden beast` number, since 1 + 641 + 5 + 12 + 7 + 0 = 666.

It is a super-2 number, since 2×164151270² = 53891278885225800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 911862 + ... + 912041.

It is an arithmetic number, because the mean of its divisors is an integer number (17783064).

Almost surely, 2^164151270 is an apocalyptic number.

164151270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164151270 is an abundant number, since it is smaller than the sum of its proper divisors (262642266).

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

164151270 is a wasteful number, since it uses less digits than its factorization.

164151270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823916 (or 1823913 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 164151270 is about 12812.1532148191. The cubic root of 164151270 is about 547.5386098999.

The spelling of 164151270 in words is "one hundred sixty-four million, one hundred fifty-one thousand, two hundred seventy".