23641616166 has 32 divisors (see below), whose sum is σ = 54463488000. Its totient is φ = 6701558976.

The previous prime is 23641616143. The next prime is 23641616171. The reversal of 23641616166 is 66161614632.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2210791 + ... + 2221458.

It is an arithmetic number, because the mean of its divisors is an integer number (1701984000).

Almost surely, 2^23641616166 is an apocalyptic number.

23641616166 is an abundant number, since it is smaller than the sum of its proper divisors (30821871834).

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

23641616166 is a wasteful number, since it uses less digits than its factorization.

23641616166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4432388.

The product of its digits is 186624, while the sum is 42.

The spelling of 23641616166 in words is "twenty-three billion, six hundred forty-one million, six hundred sixteen thousand, one hundred sixty-six".