16687757380 has 48 divisors (see below), whose sum is σ = 42158551680. Its totient is φ = 5420383488.

The previous prime is 16687757329. The next prime is 16687757381. The reversal of 16687757380 is 8375778661.

16687757380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16687757381) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3134137 + ... + 3139456.

It is an arithmetic number, because the mean of its divisors is an integer number (878303160).

Almost surely, 2^16687757380 is an apocalyptic number.

16687757380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16687757380 is an abundant number, since it is smaller than the sum of its proper divisors (25470794300).

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

16687757380 is a wasteful number, since it uses less digits than its factorization.

16687757380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6273628 (or 6273626 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 58.

The spelling of 16687757380 in words is "sixteen billion, six hundred eighty-seven million, seven hundred fifty-seven thousand, three hundred eighty".