166425632 has 12 divisors (see below), whose sum is σ = 327650526. Its totient is φ = 83212800.

The previous prime is 166425583. The next prime is 166425641. The reversal of 166425632 is 236524661.

It is a happy number.

166425632 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 86787856 + 79637776 = 9316^2 + 8924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 166425592 and 166425601.

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 as a sum of consecutive naturals, namely, 2600369 + ... + 2600432.

Almost surely, 2^166425632 is an apocalyptic number.

It is an amenable number.

166425632 is a deficient number, since it is larger than the sum of its proper divisors (161224894).

166425632 is an equidigital number, since it uses as much as digits as its factorization.

166425632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200811 (or 5200803 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 166425632 is about 12900.6058772447. The cubic root of 166425632 is about 550.0557871787.

The spelling of 166425632 in words is "one hundred sixty-six million, four hundred twenty-five thousand, six hundred thirty-two".