166140984 has 16 divisors (see below), whose sum is σ = 415352520. Its totient is φ = 55380320.

The previous prime is 166140973. The next prime is 166141007. The reversal of 166140984 is 489041661.

166140984 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 3 ways as a sum of consecutive naturals, for example, 3461247 + ... + 3461294.

Almost surely, 2^166140984 is an apocalyptic number.

It is an amenable number.

166140984 is an abundant number, since it is smaller than the sum of its proper divisors (249211536).

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

166140984 is a wasteful number, since it uses less digits than its factorization.

166140984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6922550 (or 6922546 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 166140984 is about 12889.5688058212. The cubic root of 166140984 is about 549.7420101324.

The spelling of 166140984 in words is "one hundred sixty-six million, one hundred forty thousand, nine hundred eighty-four".