16249113677 has 2 divisors, whose sum is σ = 16249113678. Its totient is φ = 16249113676.

The previous prime is 16249113631. The next prime is 16249113691. The reversal of 16249113677 is 77631194261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12989388841 + 3259724836 = 113971^2 + 57094^2 .

It is a cyclic number.

It is not a de Polignac number, because 16249113677 - 2⁸ = 16249113421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16249113607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8124556838 + 8124556839.

It is an arithmetic number, because the mean of its divisors is an integer number (8124556839).

Almost surely, 2^16249113677 is an apocalyptic number.

It is an amenable number.

16249113677 is a deficient number, since it is larger than the sum of its proper divisors (1).

16249113677 is an equidigital number, since it uses as much as digits as its factorization.

16249113677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 47.

The spelling of 16249113677 in words is "sixteen billion, two hundred forty-nine million, one hundred thirteen thousand, six hundred seventy-seven".