16335380407 has 2 divisors, whose sum is σ = 16335380408. Its totient is φ = 16335380406.

The previous prime is 16335380353. The next prime is 16335380423. The reversal of 16335380407 is 70408353361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16335380407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16335380407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16335380437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8167690203 + 8167690204.

It is an arithmetic number, because the mean of its divisors is an integer number (8167690204).

Almost surely, 2^16335380407 is an apocalyptic number.

16335380407 is a deficient number, since it is larger than the sum of its proper divisors (1).

16335380407 is an equidigital number, since it uses as much as digits as its factorization.

16335380407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 16335380407 in words is "sixteen billion, three hundred thirty-five million, three hundred eighty thousand, four hundred seven".