16387239326928 has 40 divisors (see below), whose sum is σ = 42429263052768. Its totient is φ = 5450082598272.

The previous prime is 16387239326869. The next prime is 16387239327001. The reversal of 16387239326928 is 82962393278361.

It is a super-2 number, since 2×16387239326928² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 385306975 + ... + 385349502.

Almost surely, 2^{16387239326928} is an apocalyptic number.

It is an amenable number.

16387239326928 is an abundant number, since it is smaller than the sum of its proper divisors (26042023725840).

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

16387239326928 is a wasteful number, since it uses less digits than its factorization.

16387239326928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770656931 (or 770656925 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 69.

The spelling of 16387239326928 in words is "sixteen trillion, three hundred eighty-seven billion, two hundred thirty-nine million, three hundred twenty-six thousand, nine hundred twenty-eight".