164938074 has 16 divisors (see below), whose sum is σ = 377001408. Its totient is φ = 47125152.

The previous prime is 164938061. The next prime is 164938091. The reversal of 164938074 is 470839461.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 3927097 = 164938074 / (1 + 6 + 4 + 9 + 3 + 8 + 0 + 7 + 4).

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 7 ways as a sum of consecutive naturals, for example, 1963507 + ... + 1963590.

It is an arithmetic number, because the mean of its divisors is an integer number (23562588).

Almost surely, 2^164938074 is an apocalyptic number.

164938074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

164938074 is an abundant number, since it is smaller than the sum of its proper divisors (212063334).

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

164938074 is a wasteful number, since it uses less digits than its factorization.

164938074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927109.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 164938074 is about 12842.8218861744. The cubic root of 164938074 is about 548.4120300653.

The spelling of 164938074 in words is "one hundred sixty-four million, nine hundred thirty-eight thousand, seventy-four".