164642600166 has 48 divisors (see below), whose sum is σ = 362037438000. Its totient is φ = 49878484480.

The previous prime is 164642600153. The next prime is 164642600173. The reversal of 164642600166 is 661006246461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2911570 + ... + 2967578.

It is an arithmetic number, because the mean of its divisors is an integer number (7542446625).

Almost surely, 2^164642600166 is an apocalyptic number.

164642600166 is an abundant number, since it is smaller than the sum of its proper divisors (197394837834).

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

164642600166 is a wasteful number, since it uses less digits than its factorization.

164642600166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60085 (or 60074 counting only the distinct ones).

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

The spelling of 164642600166 in words is "one hundred sixty-four billion, six hundred forty-two million, six hundred thousand, one hundred sixty-six".