164391139114 has 8 divisors (see below), whose sum is σ = 248386612068. Its totient is φ = 81595601760.

The previous prime is 164391139111. The next prime is 164391139151. The reversal of 164391139114 is 411931193461.

It can be written as a sum of positive squares in 2 ways, for example, as 155539528225 + 8851610889 = 394385^2 + 94083^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (164391139111) 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, 299983557 + ... + 299984104.

Almost surely, 2^164391139114 is an apocalyptic number.

164391139114 is a deficient number, since it is larger than the sum of its proper divisors (83995472954).

164391139114 is a wasteful number, since it uses less digits than its factorization.

164391139114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599967800.

The product of its digits is 69984, while the sum is 43.

The spelling of 164391139114 in words is "one hundred sixty-four billion, three hundred ninety-one million, one hundred thirty-nine thousand, one hundred fourteen".