1880165380 has 24 divisors (see below), whose sum is σ = 3962410200. Its totient is φ = 749387520.

The previous prime is 1880165377. The next prime is 1880165437. The reversal of 1880165380 is 835610881.

It can be written as a sum of positive squares in 4 ways, for example, as 158911236 + 1721254144 = 12606^2 + 41488^2 .

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, 161655 + ... + 172894.

It is an arithmetic number, because the mean of its divisors is an integer number (165100425).

Almost surely, 2^1880165380 is an apocalyptic number.

1880165380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1880165380 is an abundant number, since it is smaller than the sum of its proper divisors (2082244820).

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

1880165380 is a wasteful number, since it uses less digits than its factorization.

1880165380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334839 (or 334837 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 1880165380 is about 43360.8738380582. The cubic root of 1880165380 is about 1234.2373475984.

The spelling of 1880165380 in words is "one billion, eight hundred eighty million, one hundred sixty-five thousand, three hundred eighty".