166040742 has 32 divisors (see below), whose sum is σ = 384873984. Its totient is φ = 46771200.

The previous prime is 166040701. The next prime is 166040773. The reversal of 166040742 is 247040661.

166040742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24859 + ... + 30822.

It is an arithmetic number, because the mean of its divisors is an integer number (12027312).

Almost surely, 2^166040742 is an apocalyptic number.

166040742 is an abundant number, since it is smaller than the sum of its proper divisors (218833242).

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

166040742 is a wasteful number, since it uses less digits than its factorization.

166040742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55764.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 166040742 is about 12885.6797259594. The cubic root of 166040742 is about 549.6314246846.

The spelling of 166040742 in words is "one hundred sixty-six million, forty thousand, seven hundred forty-two".