16834340407 has 2 divisors, whose sum is σ = 16834340408. Its totient is φ = 16834340406.

The previous prime is 16834340399. The next prime is 16834340441. The reversal of 16834340407 is 70404343861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16834340407 - 2³ = 16834340399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16834340407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16834340447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8417170203 + 8417170204.

It is an arithmetic number, because the mean of its divisors is an integer number (8417170204).

Almost surely, 2^16834340407 is an apocalyptic number.

16834340407 is a deficient number, since it is larger than the sum of its proper divisors (1).

16834340407 is an equidigital number, since it uses as much as digits as its factorization.

16834340407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 16834340407 in words is "sixteen billion, eight hundred thirty-four million, three hundred forty thousand, four hundred seven".