166432464 has 60 divisors (see below), whose sum is σ = 508128192. Its totient is φ = 50433600.

The previous prime is 166432463. The next prime is 166432477. The reversal of 166432464 is 464234661.

166432464 is a `hidden beast` number, since 1 + 6 + 643 + 2 + 4 + 6 + 4 = 666.

It is a super-2 number, since 2×166432464² = 55399530146222592, which contains 22 as substring.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166432463) 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, 50952 + ... + 54119.

Almost surely, 2^166432464 is an apocalyptic number.

It is an amenable number.

166432464 is an abundant number, since it is smaller than the sum of its proper divisors (341695728).

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

166432464 is a wasteful number, since it uses less digits than its factorization.

166432464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105096 (or 105087 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 166432464 is about 12900.8706682921. The cubic root of 166432464 is about 550.0633139234.

The spelling of 166432464 in words is "one hundred sixty-six million, four hundred thirty-two thousand, four hundred sixty-four".