16388001880 has 16 divisors (see below), whose sum is σ = 36873004320. Its totient is φ = 6555200736.

The previous prime is 16388001841. The next prime is 16388001893. The reversal of 16388001880 is 8810088361.

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, 204849984 + ... + 204850063.

It is an arithmetic number, because the mean of its divisors is an integer number (2304562770).

Almost surely, 2^16388001880 is an apocalyptic number.

16388001880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16388001880 is an abundant number, since it is smaller than the sum of its proper divisors (20485002440).

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

16388001880 is a wasteful number, since it uses less digits than its factorization.

16388001880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409700058 (or 409700054 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 43.

The spelling of 16388001880 in words is "sixteen billion, three hundred eighty-eight million, one thousand, eight hundred eighty".