16949640248255 has 16 divisors (see below), whose sum is σ = 23895436882464. Its totient is φ = 11378779466880.

The previous prime is 16949640248251. The next prime is 16949640248263. The reversal of 16949640248255 is 55284204694961.

It is not a de Polignac number, because 16949640248255 - 2² = 16949640248251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16949640248191 and 16949640248200.

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, 11852894564 + ... + 11852895993.

It is an arithmetic number, because the mean of its divisors is an integer number (1493464805154).

Almost surely, 2^{16949640248255} is an apocalyptic number.

16949640248255 is a deficient number, since it is larger than the sum of its proper divisors (6945796634209).

16949640248255 is a wasteful number, since it uses less digits than its factorization.

16949640248255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23705790586.

The product of its (nonzero) digits is 149299200, while the sum is 65.

The spelling of 16949640248255 in words is "sixteen trillion, nine hundred forty-nine billion, six hundred forty million, two hundred forty-eight thousand, two hundred fifty-five".