16914697782 has 16 divisors (see below), whose sum is σ = 33839465520. Its totient is φ = 5636554272.

The previous prime is 16914697781. The next prime is 16914697829. The reversal of 16914697782 is 28779641961.

It is a super-2 number, since 2×16914697782² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16914697781) 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, 397657 + ... + 438132.

It is an arithmetic number, because the mean of its divisors is an integer number (2114966595).

Almost surely, 2^16914697782 is an apocalyptic number.

16914697782 is an abundant number, since it is smaller than the sum of its proper divisors (16924767738).

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

16914697782 is a wasteful number, since it uses less digits than its factorization.

16914697782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839167.

The product of its digits is 9144576, while the sum is 60.

The spelling of 16914697782 in words is "sixteen billion, nine hundred fourteen million, six hundred ninety-seven thousand, seven hundred eighty-two".