16782320652 has 24 divisors (see below), whose sum is σ = 39161106432. Its totient is φ = 5593770000.

The previous prime is 16782320651. The next prime is 16782320657. The reversal of 16782320652 is 25602328761.

It is not an unprimeable number, because it can be changed into a prime (16782320651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242277 + ... + 303747.

It is an arithmetic number, because the mean of its divisors is an integer number (1631712768).

Almost surely, 2^16782320652 is an apocalyptic number.

16782320652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16782320652 is an abundant number, since it is smaller than the sum of its proper divisors (22378785780).

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

16782320652 is a wasteful number, since it uses less digits than its factorization.

16782320652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84229 (or 84227 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 16782320652 in words is "sixteen billion, seven hundred eighty-two million, three hundred twenty thousand, six hundred fifty-two".