16631485263255 has 16 divisors (see below), whose sum is σ = 28010922549120. Its totient is φ = 8403276764448.

The previous prime is 16631485263203. The next prime is 16631485263257. The reversal of 16631485263255 is 55236258413661.

It is a happy number.

16631485263255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16631485263255 - 2¹¹ = 16631485261207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 16631485263195 and 16631485263204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16631485263257) 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, 29178044037 + ... + 29178044606.

It is an arithmetic number, because the mean of its divisors is an integer number (1750682659320).

Almost surely, 2^{16631485263255} is an apocalyptic number.

16631485263255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16631485263255 is a deficient number, since it is larger than the sum of its proper divisors (11379437285865).

16631485263255 is a wasteful number, since it uses less digits than its factorization.

16631485263255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58356088670.

The product of its digits is 31104000, while the sum is 57.

The spelling of 16631485263255 in words is "sixteen trillion, six hundred thirty-one billion, four hundred eighty-five million, two hundred sixty-three thousand, two hundred fifty-five".