16415849851 has 2 divisors, whose sum is σ = 16415849852. Its totient is φ = 16415849850.

The previous prime is 16415849797. The next prime is 16415849887. The reversal of 16415849851 is 15894851461.

It is a strong prime.

It is an emirp because it is prime and its reverse (15894851461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16415849851 - 2³³ = 7825915259 is a prime.

It is not a weakly prime, because it can be changed into another prime (16415849251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8207924925 + 8207924926.

It is an arithmetic number, because the mean of its divisors is an integer number (8207924926).

Almost surely, 2^16415849851 is an apocalyptic number.

16415849851 is a deficient number, since it is larger than the sum of its proper divisors (1).

16415849851 is an equidigital number, since it uses as much as digits as its factorization.

16415849851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 52.

The spelling of 16415849851 in words is "sixteen billion, four hundred fifteen million, eight hundred forty-nine thousand, eight hundred fifty-one".