16140445263 has 32 divisors (see below), whose sum is σ = 24458112000. Its totient is φ = 10515149568.

The previous prime is 16140445219. The next prime is 16140445301. The reversal of 16140445263 is 36254404161.

16140445263 is a `hidden beast` number, since 1 + 6 + 140 + 4 + 452 + 63 = 666.

16140445263 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 16140445263 - 2⁶ = 16140445199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16140445163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 844588 + ... + 863486.

It is an arithmetic number, because the mean of its divisors is an integer number (764316000).

Almost surely, 2^16140445263 is an apocalyptic number.

16140445263 is a deficient number, since it is larger than the sum of its proper divisors (8317666737).

16140445263 is a wasteful number, since it uses less digits than its factorization.

16140445263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19628 (or 19622 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 16140445263 in words is "sixteen billion, one hundred forty million, four hundred forty-five thousand, two hundred sixty-three".