166454232 has 32 divisors (see below), whose sum is σ = 475584000. Its totient is φ = 47558304.

The previous prime is 166454209. The next prime is 166454251. The reversal of 166454232 is 232454661.

It is a super-2 number, since 2×166454232² = 55414022701419648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166454193 and 166454202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495232 + ... + 495567.

It is an arithmetic number, because the mean of its divisors is an integer number (14862000).

Almost surely, 2^166454232 is an apocalyptic number.

166454232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166454232 is an abundant number, since it is smaller than the sum of its proper divisors (309129768).

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

166454232 is a wasteful number, since it uses less digits than its factorization.

166454232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990815 (or 990811 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 166454232 is about 12901.7143046961. The cubic root of 166454232 is about 550.0872941332.

The spelling of 166454232 in words is "one hundred sixty-six million, four hundred fifty-four thousand, two hundred thirty-two".