166890024236 has 48 divisors (see below), whose sum is σ = 322320206208. Its totient is φ = 75118233600.

The previous prime is 166890024211. The next prime is 166890024251. The reversal of 166890024236 is 632420098661.

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, 6026141 + ... + 6053771.

It is an arithmetic number, because the mean of its divisors is an integer number (6715004296).

Almost surely, 2^166890024236 is an apocalyptic number.

It is an amenable number.

166890024236 is a deficient number, since it is larger than the sum of its proper divisors (155430181972).

166890024236 is a wasteful number, since it uses less digits than its factorization.

166890024236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30522 (or 30520 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 166890024236 in words is "one hundred sixty-six billion, eight hundred ninety million, twenty-four thousand, two hundred thirty-six".