16263531332 has 12 divisors (see below), whose sum is σ = 28552112316. Its totient is φ = 8105784960.

The previous prime is 16263531331. The next prime is 16263531341. The reversal of 16263531332 is 23313536261.

It can be written as a sum of positive squares in 2 ways, for example, as 8623722496 + 7639808836 = 92864^2 + 87406^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16263531292 and 16263531301.

It is not an unprimeable number, because it can be changed into a prime (16263531331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6493769 + ... + 6496272.

It is an arithmetic number, because the mean of its divisors is an integer number (2379342693).

Almost surely, 2^16263531332 is an apocalyptic number.

It is an amenable number.

16263531332 is a deficient number, since it is larger than the sum of its proper divisors (12288580984).

16263531332 is a wasteful number, since it uses less digits than its factorization.

16263531332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12990358 (or 12990356 counting only the distinct ones).

The product of its digits is 58320, while the sum is 35.

The spelling of 16263531332 in words is "sixteen billion, two hundred sixty-three million, five hundred thirty-one thousand, three hundred thirty-two".