16263643430031 has 16 divisors (see below), whose sum is σ = 22040393157120. Its totient is φ = 10666055584800.

The previous prime is 16263643430011. The next prime is 16263643430063. The reversal of 16263643430031 is 13003434636261.

It is a de Polignac number, because none of the positive numbers 2^k-16263643430031 is a prime.

It is a super-2 number, since 2×16263643430031² (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 (16263643430011) 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, 174235296 + ... + 174328613.

It is an arithmetic number, because the mean of its divisors is an integer number (1377524572320).

Almost surely, 2^{16263643430031} is an apocalyptic number.

16263643430031 is a deficient number, since it is larger than the sum of its proper divisors (5776749727089).

16263643430031 is a wasteful number, since it uses less digits than its factorization.

16263643430031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348564166.

The product of its (nonzero) digits is 559872, while the sum is 42.

The spelling of 16263643430031 in words is "sixteen trillion, two hundred sixty-three billion, six hundred forty-three million, four hundred thirty thousand, thirty-one".