166651536 has 40 divisors (see below), whose sum is σ = 444408064. Its totient is φ = 53758080.

The previous prime is 166651501. The next prime is 166651543. The reversal of 166651536 is 635156661.

It is a junction number, because it is equal to n+sod(n) for n = 166651494 and 166651503.

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, 54511 + ... + 57486.

Almost surely, 2^166651536 is an apocalyptic number.

166651536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166651536 is an abundant number, since it is smaller than the sum of its proper divisors (277756528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166651536 is a wasteful number, since it uses less digits than its factorization.

166651536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112039 (or 112033 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 166651536 is about 12909.3584658572. The cubic root of 166651536 is about 550.3045541916.

The spelling of 166651536 in words is "one hundred sixty-six million, six hundred fifty-one thousand, five hundred thirty-six".