166018327635652 has 48 divisors (see below), whose sum is σ = 298111023400960. Its totient is φ = 80854448264352.

The previous prime is 166018327635647. The next prime is 166018327635697. The reversal of 166018327635652 is 256536723810661.

It is a super-2 number, since 2×166018327635652² (a number of 29 digits) contains 22 as substring.

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, 2284231849 + ... + 2284304527.

Almost surely, 2^{166018327635652} is an apocalyptic number.

It is an amenable number.

166018327635652 is a deficient number, since it is larger than the sum of its proper divisors (132092695765308).

166018327635652 is a wasteful number, since it uses less digits than its factorization.

166018327635652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109280 (or 109278 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 61.

The spelling of 166018327635652 in words is "one hundred sixty-six trillion, eighteen billion, three hundred twenty-seven million, six hundred thirty-five thousand, six hundred fifty-two".