16377556398 has 16 divisors (see below), whose sum is σ = 37434414720. Its totient is φ = 4679301816.

The previous prime is 16377556379. The next prime is 16377556417. The reversal of 16377556398 is 89365577361.

It is an interprime number because it is at equal distance from previous prime (16377556379) and next prime (16377556417).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194970868 + ... + 194970951.

It is an arithmetic number, because the mean of its divisors is an integer number (2339650920).

Almost surely, 2^16377556398 is an apocalyptic number.

16377556398 is an abundant number, since it is smaller than the sum of its proper divisors (21056858322).

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

16377556398 is a wasteful number, since it uses less digits than its factorization.

16377556398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389941831.

The product of its digits is 28576800, while the sum is 60.

The spelling of 16377556398 in words is "sixteen billion, three hundred seventy-seven million, five hundred fifty-six thousand, three hundred ninety-eight".