166263012 has 36 divisors (see below), whose sum is σ = 424365760. Its totient is φ = 54881712.

The previous prime is 166263011. The next prime is 166263037. The reversal of 166263012 is 210362661.

166263012 is a `hidden beast` number, since 1 + 6 + 626 + 30 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166263011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18712 + ... + 26127.

Almost surely, 2^166263012 is an apocalyptic number.

166263012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166263012 is an abundant number, since it is smaller than the sum of its proper divisors (258102748).

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

166263012 is a wasteful number, since it uses less digits than its factorization.

166263012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44952 (or 44947 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 166263012 is about 12894.3015320722. The cubic root of 166263012 is about 549.8765695471.

The spelling of 166263012 in words is "one hundred sixty-six million, two hundred sixty-three thousand, twelve".