166923040 has 48 divisors (see below), whose sum is σ = 395176320. Its totient is φ = 66630400.

The previous prime is 166923019. The next prime is 166923073. The reversal of 166923040 is 40329661.

166923040 is digitally balanced in base 3, 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 = 166922993 and 166923011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114315 + ... + 115765.

It is an arithmetic number, because the mean of its divisors is an integer number (8232840).

Almost surely, 2^166923040 is an apocalyptic number.

166923040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166923040 is an abundant number, since it is smaller than the sum of its proper divisors (228253280).

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

166923040 is a wasteful number, since it uses less digits than its factorization.

166923040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2177 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 166923040 is about 12919.8699683859. The cubic root of 166923040 is about 550.6032389532.

The spelling of 166923040 in words is "one hundred sixty-six million, nine hundred twenty-three thousand, forty".