16347082891 has 2 divisors, whose sum is σ = 16347082892. Its totient is φ = 16347082890.

The previous prime is 16347082883. The next prime is 16347082897. The reversal of 16347082891 is 19828074361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16347082891 - 2³ = 16347082883 is a prime.

It is not a weakly prime, because it can be changed into another prime (16347082897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8173541445 + 8173541446.

It is an arithmetic number, because the mean of its divisors is an integer number (8173541446).

Almost surely, 2^16347082891 is an apocalyptic number.

16347082891 is a deficient number, since it is larger than the sum of its proper divisors (1).

16347082891 is an equidigital number, since it uses as much as digits as its factorization.

16347082891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 16347082891 in words is "sixteen billion, three hundred forty-seven million, eighty-two thousand, eight hundred ninety-one".