166768942 has 8 divisors (see below), whose sum is σ = 251200800. Its totient is φ = 83035344.

The previous prime is 166768939. The next prime is 166768949. The reversal of 166768942 is 249867661.

166768942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166768949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173967 + ... + 174922.

It is an arithmetic number, because the mean of its divisors is an integer number (31400100).

Almost surely, 2^166768942 is an apocalyptic number.

166768942 is a deficient number, since it is larger than the sum of its proper divisors (84431858).

166768942 is a wasteful number, since it uses less digits than its factorization.

166768942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349130.

The product of its digits is 870912, while the sum is 49.

The square root of 166768942 is about 12913.9049864865. The cubic root of 166768942 is about 550.4337537010.

The spelling of 166768942 in words is "one hundred sixty-six million, seven hundred sixty-eight thousand, nine hundred forty-two".