166742655050 has 48 divisors (see below), whose sum is σ = 312766422144. Its totient is φ = 66134880000.

The previous prime is 166742655017. The next prime is 166742655067. The reversal of 166742655050 is 50556247661.

It is a super-2 number, since 2×166742655050² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166742654986 and 166742655004.

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, 2829890 + ... + 2888210.

It is an arithmetic number, because the mean of its divisors is an integer number (6515967128).

Almost surely, 2^166742655050 is an apocalyptic number.

166742655050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

166742655050 is a deficient number, since it is larger than the sum of its proper divisors (146023767094).

166742655050 is a wasteful number, since it uses less digits than its factorization.

166742655050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58815 (or 58810 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 166742655050 in words is "one hundred sixty-six billion, seven hundred forty-two million, six hundred fifty-five thousand, fifty".