164374379 has 4 divisors (see below), whose sum is σ = 177018576. Its totient is φ = 151730184.

The previous prime is 164374361. The next prime is 164374391. The reversal of 164374379 is 973473461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164374379 - 2¹⁶ = 164308843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164371379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6322079 + ... + 6322104.

It is an arithmetic number, because the mean of its divisors is an integer number (44254644).

Almost surely, 2^164374379 is an apocalyptic number.

164374379 is a deficient number, since it is larger than the sum of its proper divisors (12644197).

164374379 is a wasteful number, since it uses less digits than its factorization.

164374379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12644196.

The product of its digits is 381024, while the sum is 44.

The square root of 164374379 is about 12820.8571866315. The cubic root of 164374379 is about 547.7865630792.

The spelling of 164374379 in words is "one hundred sixty-four million, three hundred seventy-four thousand, three hundred seventy-nine".