166633796 has 48 divisors (see below), whose sum is σ = 354404736. Its totient is φ = 66921984.

The previous prime is 166633783. The next prime is 166633811. The reversal of 166633796 is 697336661.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 166633796.

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 15 ways as a sum of consecutive naturals, for example, 134090 + ... + 135326.

It is an arithmetic number, because the mean of its divisors is an integer number (7383432).

Almost surely, 2^166633796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166633796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177202368).

166633796 is an abundant number, since it is smaller than the sum of its proper divisors (187770940).

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

166633796 is a wasteful number, since it uses less digits than its factorization.

166633796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548 (or 1546 counting only the distinct ones).

The product of its digits is 734832, while the sum is 47.

The square root of 166633796 is about 12908.6713491358. The cubic root of 166633796 is about 550.2850269204.

The spelling of 166633796 in words is "one hundred sixty-six million, six hundred thirty-three thousand, seven hundred ninety-six".