166337144752 has 40 divisors (see below), whose sum is σ = 326790668880. Its totient is φ = 82004751360.

The previous prime is 166337144741. The next prime is 166337144761. The reversal of 166337144752 is 257441733661.

It is a super-2 number, since 2×166337144752² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166337144696 and 166337144705.

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, 4254252 + ... + 4293172.

It is an arithmetic number, because the mean of its divisors is an integer number (8169766722).

Almost surely, 2^166337144752 is an apocalyptic number.

It is an amenable number.

166337144752 is a deficient number, since it is larger than the sum of its proper divisors (160453524128).

166337144752 is a wasteful number, since it uses less digits than its factorization.

166337144752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42661 (or 42655 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 49.

The spelling of 166337144752 in words is "one hundred sixty-six billion, three hundred thirty-seven million, one hundred forty-four thousand, seven hundred fifty-two".