16263581483231 has 2 divisors, whose sum is σ = 16263581483232. Its totient is φ = 16263581483230.

The previous prime is 16263581483167. The next prime is 16263581483263. The reversal of 16263581483231 is 13238418536261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16263581483231 - 2⁶ = 16263581483167 is a prime.

It is a super-2 number, since 2×16263581483231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16263581483431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8131790741615 + 8131790741616.

It is an arithmetic number, because the mean of its divisors is an integer number (8131790741616).

Almost surely, 2^{16263581483231} is an apocalyptic number.

16263581483231 is a deficient number, since it is larger than the sum of its proper divisors (1).

16263581483231 is an equidigital number, since it uses as much as digits as its factorization.

16263581483231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 53.

The spelling of 16263581483231 in words is "sixteen trillion, two hundred sixty-three billion, five hundred eighty-one million, four hundred eighty-three thousand, two hundred thirty-one".