166277412 has 36 divisors (see below), whose sum is σ = 480357696. Its totient is φ = 47507760.

The previous prime is 166277401. The next prime is 166277467. The reversal of 166277412 is 214772661.

166277412 is a `hidden beast` number, since 16 + 627 + 7 + 4 + 12 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 329664 + ... + 330167.

Almost surely, 2^166277412 is an apocalyptic number.

166277412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166277412 is an abundant number, since it is smaller than the sum of its proper divisors (314080284).

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

166277412 is a wasteful number, since it uses less digits than its factorization.

166277412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659848 (or 659843 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 166277412 is about 12894.8599061797. The cubic root of 166277412 is about 549.8924439819.

The spelling of 166277412 in words is "one hundred sixty-six million, two hundred seventy-seven thousand, four hundred twelve".