164640106626 has 16 divisors (see below), whose sum is σ = 329349900000. Its totient is φ = 54868421088.

The previous prime is 164640106591. The next prime is 164640106643. The reversal of 164640106626 is 626601046461.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2872876 + ... + 2929623.

It is an arithmetic number, because the mean of its divisors is an integer number (20584368750).

Almost surely, 2^164640106626 is an apocalyptic number.

164640106626 is an abundant number, since it is smaller than the sum of its proper divisors (164709793374).

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

164640106626 is a wasteful number, since it uses less digits than its factorization.

164640106626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5807233.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 164640106626 in words is "one hundred sixty-four billion, six hundred forty million, one hundred six thousand, six hundred twenty-six".