16356753243 has 6 divisors (see below), whose sum is σ = 23626421364. Its totient is φ = 10904502156.

The previous prime is 16356753229. The next prime is 16356753247. The reversal of 16356753243 is 34235765361.

It is a happy number.

16356753243 is a `hidden beast` number, since 1 + 6 + 356 + 7 + 53 + 243 = 666.

It is not a de Polignac number, because 16356753243 - 2⁴ = 16356753227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16356753247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 908708505 + ... + 908708522.

It is an arithmetic number, because the mean of its divisors is an integer number (3937736894).

Almost surely, 2^16356753243 is an apocalyptic number.

16356753243 is a deficient number, since it is larger than the sum of its proper divisors (7269668121).

16356753243 is a wasteful number, since it uses less digits than its factorization.

16356753243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817417033 (or 1817417030 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 45.

The spelling of 16356753243 in words is "sixteen billion, three hundred fifty-six million, seven hundred fifty-three thousand, two hundred forty-three".