16312894903 has 2 divisors, whose sum is σ = 16312894904. Its totient is φ = 16312894902.

The previous prime is 16312894883. The next prime is 16312894973. The reversal of 16312894903 is 30949821361.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16312894903 - 2²¹ = 16310797751 is a prime.

It is a super-2 number, since 2×16312894903² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16312894973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8156447451 + 8156447452.

It is an arithmetic number, because the mean of its divisors is an integer number (8156447452).

Almost surely, 2^16312894903 is an apocalyptic number.

16312894903 is a deficient number, since it is larger than the sum of its proper divisors (1).

16312894903 is an equidigital number, since it uses as much as digits as its factorization.

16312894903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 16312894903 in words is "sixteen billion, three hundred twelve million, eight hundred ninety-four thousand, nine hundred three".