16949640248256 has 112 divisors (see below), whose sum is σ = 47129091684224. Its totient is φ = 5369339114496.

The previous prime is 16949640248251. The next prime is 16949640248263. The reversal of 16949640248256 is 65284204694961.

16949640248256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16949640248256² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16949640248251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27437890 + ... + 28048833.

Almost surely, 2^{16949640248256} is an apocalyptic number.

16949640248256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16949640248256 is an abundant number, since it is smaller than the sum of its proper divisors (30179451435968).

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

16949640248256 is a wasteful number, since it uses less digits than its factorization.

16949640248256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55486818 (or 55486808 counting only the distinct ones).

The product of its (nonzero) digits is 179159040, while the sum is 66.

The spelling of 16949640248256 in words is "sixteen trillion, nine hundred forty-nine billion, six hundred forty million, two hundred forty-eight thousand, two hundred fifty-six".