166633436 has 48 divisors (see below), whose sum is σ = 312560640. Its totient is φ = 77563200.

The previous prime is 166633421. The next prime is 166633457. The reversal of 166633436 is 634336661.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

Its product of digits (139968) is a multiple of the sum of its prime divisors (432).

It is a self number, because there is not a number n which added to its sum of digits gives 166633436.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733955 + ... + 734181.

It is an arithmetic number, because the mean of its divisors is an integer number (6511680).

Almost surely, 2^166633436 is an apocalyptic number.

It is an amenable number.

166633436 is a deficient number, since it is larger than the sum of its proper divisors (145927204).

166633436 is a wasteful number, since it uses less digits than its factorization.

166633436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 432 counting only the distinct ones).

The product of its digits is 139968, while the sum is 38.

The square root of 166633436 is about 12908.6574050131. The cubic root of 166633436 is about 550.2846306368.

The spelling of 166633436 in words is "one hundred sixty-six million, six hundred thirty-three thousand, four hundred thirty-six".