1880386918018 has 16 divisors (see below), whose sum is σ = 3298486023360. Its totient is φ = 787138709616.

The previous prime is 1880386917973. The next prime is 1880386918037. The reversal of 1880386918018 is 8108196830881.

It is a super-2 number, since 2×1880386918018² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1561782553 + ... + 1561783756.

It is an arithmetic number, because the mean of its divisors is an integer number (206155376460).

Almost surely, 2^{1880386918018} is an apocalyptic number.

1880386918018 is a deficient number, since it is larger than the sum of its proper divisors (1418099105342).

1880386918018 is a wasteful number, since it uses less digits than its factorization.

1880386918018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123566361.

The product of its (nonzero) digits is 5308416, while the sum is 61.

The spelling of 1880386918018 in words is "one trillion, eight hundred eighty billion, three hundred eighty-six million, nine hundred eighteen thousand, eighteen".