16398377382 has 16 divisors (see below), whose sum is σ = 33032704320. Its totient is φ = 5426800872.

The previous prime is 16398377371. The next prime is 16398377407. The reversal of 16398377382 is 28377389361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9830328 + ... + 9831995.

It is an arithmetic number, because the mean of its divisors is an integer number (2064544020).

Almost surely, 2^16398377382 is an apocalyptic number.

16398377382 is an abundant number, since it is smaller than the sum of its proper divisors (16634326938).

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

16398377382 is a wasteful number, since it uses less digits than its factorization.

16398377382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19662467.

The product of its digits is 9144576, while the sum is 57.

The spelling of 16398377382 in words is "sixteen billion, three hundred ninety-eight million, three hundred seventy-seven thousand, three hundred eighty-two".