166544652 has 24 divisors (see below), whose sum is σ = 409057600. Its totient is φ = 52592976.

The previous prime is 166544627. The next prime is 166544663. The reversal of 166544652 is 256445661.

It is a super-2 number, since 2×166544652² = 55474242219602208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 166544652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365002 + ... + 365457.

Almost surely, 2^166544652 is an apocalyptic number.

166544652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166544652 is an abundant number, since it is smaller than the sum of its proper divisors (242512948).

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

166544652 is a wasteful number, since it uses less digits than its factorization.

166544652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730485 (or 730483 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 166544652 is about 12905.2180144312. The cubic root of 166544652 is about 550.1868808464.

The spelling of 166544652 in words is "one hundred sixty-six million, five hundred forty-four thousand, six hundred fifty-two".