16782281832 has 32 divisors (see below), whose sum is σ = 42931421280. Its totient is φ = 5463998400.

The previous prime is 16782281807. The next prime is 16782281843. The reversal of 16782281832 is 23818228761.

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, 8129919 + ... + 8131982.

It is an arithmetic number, because the mean of its divisors is an integer number (1341606915).

Almost surely, 2^16782281832 is an apocalyptic number.

16782281832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16782281832 is an abundant number, since it is smaller than the sum of its proper divisors (26149139448).

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

16782281832 is a wasteful number, since it uses less digits than its factorization.

16782281832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16261953 (or 16261949 counting only the distinct ones).

The product of its digits is 516096, while the sum is 48.

The spelling of 16782281832 in words is "sixteen billion, seven hundred eighty-two million, two hundred eighty-one thousand, eight hundred thirty-two".