166333399756 has 24 divisors (see below), whose sum is σ = 294439592160. Its totient is φ = 82208345472.

The previous prime is 166333399751. The next prime is 166333399769. The reversal of 166333399756 is 657993333661.

166333399756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166333399694 and 166333399703.

It is not an unprimeable number, because it can be changed into a prime (166333399751) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1191625 + ... + 1323871.

It is an arithmetic number, because the mean of its divisors is an integer number (12268316340).

Almost surely, 2^166333399756 is an apocalyptic number.

It is an amenable number.

166333399756 is a deficient number, since it is larger than the sum of its proper divisors (128106192404).

166333399756 is a wasteful number, since it uses less digits than its factorization.

166333399756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135873 (or 135871 counting only the distinct ones).

The product of its digits is 49601160, while the sum is 61.

The spelling of 166333399756 in words is "one hundred sixty-six billion, three hundred thirty-three million, three hundred ninety-nine thousand, seven hundred fifty-six".