166163536 has 40 divisors (see below), whose sum is σ = 401385024. Its totient is φ = 64738560.

The previous prime is 166163527. The next prime is 166163539. The reversal of 166163536 is 635361661.

166163536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×166163536² = 55220641392046592, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 166163495 and 166163504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166163539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66205 + ... + 68668.

Almost surely, 2^166163536 is an apocalyptic number.

166163536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166163536 is an abundant number, since it is smaller than the sum of its proper divisors (235221488).

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

166163536 is a wasteful number, since it uses less digits than its factorization.

166163536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134899 (or 134893 counting only the distinct ones).

The product of its digits is 58320, while the sum is 37.

The square root of 166163536 is about 12890.4435920569. The cubic root of 166163536 is about 549.7668830257.

The spelling of 166163536 in words is "one hundred sixty-six million, one hundred sixty-three thousand, five hundred thirty-six".