166622611265632 has 96 divisors (see below), whose sum is σ = 332190766220544. Its totient is φ = 82263239385600.

The previous prime is 166622611265629. The next prime is 166622611265743. The reversal of 166622611265632 is 236562116226661.

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, 3974091453 + ... + 3974133379.

It is an arithmetic number, because the mean of its divisors is an integer number (3460320481464).

Almost surely, 2^{166622611265632} is an apocalyptic number.

It is an amenable number.

166622611265632 is a deficient number, since it is larger than the sum of its proper divisors (165568154954912).

166622611265632 is a wasteful number, since it uses less digits than its factorization.

166622611265632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46772 (or 46764 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 55.

The spelling of 166622611265632 in words is "one hundred sixty-six trillion, six hundred twenty-two billion, six hundred eleven million, two hundred sixty-five thousand, six hundred thirty-two".