164640106627 has 8 divisors (see below), whose sum is σ = 168475279280. Its totient is φ = 160805221920.

The previous prime is 164640106591. The next prime is 164640106643. The reversal of 164640106627 is 726601046461.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164640106627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164640136627) 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, 1460149 + ... + 1568857.

It is an arithmetic number, because the mean of its divisors is an integer number (21059409910).

Almost surely, 2^164640106627 is an apocalyptic number.

164640106627 is a deficient number, since it is larger than the sum of its proper divisors (3835172653).

164640106627 is a wasteful number, since it uses less digits than its factorization.

164640106627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143973.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 164640106627 in words is "one hundred sixty-four billion, six hundred forty million, one hundred six thousand, six hundred twenty-seven".