164947794 has 32 divisors (see below), whose sum is σ = 363942720. Its totient is φ = 49420800.

The previous prime is 164947793. The next prime is 164947823. The reversal of 164947794 is 497749461.

It is not an unprimeable number, because it can be changed into a prime (164947793) 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, 8167 + ... + 19914.

It is an arithmetic number, because the mean of its divisors is an integer number (11373210).

Almost surely, 2^164947794 is an apocalyptic number.

164947794 is an abundant number, since it is smaller than the sum of its proper divisors (198994926).

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

164947794 is a wasteful number, since it uses less digits than its factorization.

164947794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28186.

The product of its digits is 1524096, while the sum is 51.

The square root of 164947794 is about 12843.2003021054. The cubic root of 164947794 is about 548.4228027149.

The spelling of 164947794 in words is "one hundred sixty-four million, nine hundred forty-seven thousand, seven hundred ninety-four".