166924842 has 32 divisors (see below), whose sum is σ = 401625600. Its totient is φ = 45182448.

The previous prime is 166924799. The next prime is 166924847. The reversal of 166924842 is 248429661.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 166924794 and 166924803.

It is not an unprimeable number, because it can be changed into a prime (166924847) by changing a digit.

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, 103792 + ... + 105387.

It is an arithmetic number, because the mean of its divisors is an integer number (12550800).

Almost surely, 2^166924842 is an apocalyptic number.

166924842 is an abundant number, since it is smaller than the sum of its proper divisors (234700758).

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

166924842 is a wasteful number, since it uses less digits than its factorization.

166924842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209210.

The product of its digits is 165888, while the sum is 42.

The square root of 166924842 is about 12919.9397057417. The cubic root of 166924842 is about 550.6052202724.

The spelling of 166924842 in words is "one hundred sixty-six million, nine hundred twenty-four thousand, eight hundred forty-two".