164026394 has 32 divisors (see below), whose sum is σ = 292454400. Its totient is φ = 67515120.

The previous prime is 164026391. The next prime is 164026397. The reversal of 164026394 is 493620461.

It is an interprime number because it is at equal distance from previous prime (164026391) and next prime (164026397).

It is not an unprimeable number, because it can be changed into a prime (164026391) by changing a digit.

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, 58967 + ... + 61685.

It is an arithmetic number, because the mean of its divisors is an integer number (9139200).

Almost surely, 2^164026394 is an apocalyptic number.

164026394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

164026394 is a deficient number, since it is larger than the sum of its proper divisors (128428006).

164026394 is a wasteful number, since it uses less digits than its factorization.

164026394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 164026394 is about 12807.2789459744. The cubic root of 164026394 is about 547.3997303223.

The spelling of 164026394 in words is "one hundred sixty-four million, twenty-six thousand, three hundred ninety-four".