16263044355644 has 24 divisors (see below), whose sum is σ = 29702246924448. Its totient is φ = 7776795561920.

The previous prime is 16263044355641. The next prime is 16263044355653. The reversal of 16263044355644 is 44655344036261.

It is a super-2 number, since 2×16263044355644² (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 (16263044355641) 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, 12825047 + ... + 14035950.

It is an arithmetic number, because the mean of its divisors is an integer number (1237593621852).

Almost surely, 2^{16263044355644} is an apocalyptic number.

It is an amenable number.

16263044355644 is a deficient number, since it is larger than the sum of its proper divisors (13439202568804).

16263044355644 is a wasteful number, since it uses less digits than its factorization.

16263044355644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26867605 (or 26867603 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 53.

The spelling of 16263044355644 in words is "sixteen trillion, two hundred sixty-three billion, forty-four million, three hundred fifty-five thousand, six hundred forty-four".