16197296639 has 2 divisors, whose sum is σ = 16197296640. Its totient is φ = 16197296638.

The previous prime is 16197296611. The next prime is 16197296657. The reversal of 16197296639 is 93669279161.

It is a strong prime.

It is an emirp because it is prime and its reverse (93669279161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16197296639 - 2¹⁶ = 16197231103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16197298639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8098648319 + 8098648320.

It is an arithmetic number, because the mean of its divisors is an integer number (8098648320).

Almost surely, 2^16197296639 is an apocalyptic number.

16197296639 is a deficient number, since it is larger than the sum of its proper divisors (1).

16197296639 is an equidigital number, since it uses as much as digits as its factorization.

16197296639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6613488, while the sum is 59.

The spelling of 16197296639 in words is "sixteen billion, one hundred ninety-seven million, two hundred ninety-six thousand, six hundred thirty-nine".