164770416 has 40 divisors (see below), whose sum is σ = 472953360. Its totient is φ = 54923328.

The previous prime is 164770393. The next prime is 164770427. The reversal of 164770416 is 614077461.

164770416 is a `hidden beast` number, since 1 + 647 + 7 + 0 + 4 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190275 + ... + 191138.

It is an arithmetic number, because the mean of its divisors is an integer number (11823834).

Almost surely, 2^164770416 is an apocalyptic number.

164770416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164770416 is an abundant number, since it is smaller than the sum of its proper divisors (308182944).

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

164770416 is a wasteful number, since it uses less digits than its factorization.

164770416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381430 (or 381418 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 164770416 is about 12836.2929228029. The cubic root of 164770416 is about 548.2261485129.

The spelling of 164770416 in words is "one hundred sixty-four million, seven hundred seventy thousand, four hundred sixteen".