1880945166 has 16 divisors (see below), whose sum is σ = 3959884800. Its totient is φ = 593982648.

The previous prime is 1880945159. The next prime is 1880945179. The reversal of 1880945166 is 6615490881.

It is a congruent number.

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, 8249646 + ... + 8249873.

It is an arithmetic number, because the mean of its divisors is an integer number (247492800).

Almost surely, 2^1880945166 is an apocalyptic number.

1880945166 is an abundant number, since it is smaller than the sum of its proper divisors (2078939634).

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

1880945166 is a wasteful number, since it uses less digits than its factorization.

1880945166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16499543.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 1880945166 is about 43369.8647219472. The cubic root of 1880945166 is about 1234.4079545726.

The spelling of 1880945166 in words is "one billion, eight hundred eighty million, nine hundred forty-five thousand, one hundred sixty-six".