164253327634 has 16 divisors (see below), whose sum is σ = 272180430720. Its totient is φ = 73715531760.

The previous prime is 164253327631. The next prime is 164253327649. The reversal of 164253327634 is 436723352461.

It is not an unprimeable number, because it can be changed into a prime (164253327631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47251809 + ... + 47255284.

It is an arithmetic number, because the mean of its divisors is an integer number (17011276920).

Almost surely, 2^164253327634 is an apocalyptic number.

164253327634 is a deficient number, since it is larger than the sum of its proper divisors (107927103086).

164253327634 is a wasteful number, since it uses less digits than its factorization.

164253327634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94507185.

The product of its digits is 2177280, while the sum is 46.

The spelling of 164253327634 in words is "one hundred sixty-four billion, two hundred fifty-three million, three hundred twenty-seven thousand, six hundred thirty-four".