16244131356 has 18 divisors (see below), whose sum is σ = 41061554352. Its totient is φ = 5414710440.

The previous prime is 16244131313. The next prime is 16244131367. The reversal of 16244131356 is 65313144261.

16244131356 is a `hidden beast` number, since 1 + 624 + 4 + 13 + 13 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 451225871 = 16244131356 / (1 + 6 + 2 + 4 + 4 + 1 + 3 + 1 + 3 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 16244131356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225612900 + ... + 225612971.

It is an arithmetic number, because the mean of its divisors is an integer number (2281197464).

Almost surely, 2^16244131356 is an apocalyptic number.

It is an amenable number.

16244131356 is an abundant number, since it is smaller than the sum of its proper divisors (24817422996).

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

16244131356 is a wasteful number, since it uses less digits than its factorization.

16244131356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451225881 (or 451225876 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 16244131356 in words is "sixteen billion, two hundred forty-four million, one hundred thirty-one thousand, three hundred fifty-six".