1880816564 has 24 divisors (see below), whose sum is σ = 3592185408. Its totient is φ = 854551040.

The previous prime is 1880816557. The next prime is 1880816621. The reversal of 1880816564 is 4656180881.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113369 + ... + 128895.

It is an arithmetic number, because the mean of its divisors is an integer number (149674392).

Almost surely, 2^1880816564 is an apocalyptic number.

It is an amenable number.

1880816564 is a deficient number, since it is larger than the sum of its proper divisors (1711368844).

1880816564 is a wasteful number, since it uses less digits than its factorization.

1880816564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18295 (or 18293 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 47.

The square root of 1880816564 is about 43368.3820772691. The cubic root of 1880816564 is about 1234.3798213850.

The spelling of 1880816564 in words is "one billion, eight hundred eighty million, eight hundred sixteen thousand, five hundred sixty-four".