16116621467 has 2 divisors, whose sum is σ = 16116621468. Its totient is φ = 16116621466.

The previous prime is 16116621439. The next prime is 16116621487. The reversal of 16116621467 is 76412661161.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16116621467 is a prime.

It is not a weakly prime, because it can be changed into another prime (16116621487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8058310733 + 8058310734.

It is an arithmetic number, because the mean of its divisors is an integer number (8058310734).

Almost surely, 2^16116621467 is an apocalyptic number.

16116621467 is a deficient number, since it is larger than the sum of its proper divisors (1).

16116621467 is an equidigital number, since it uses as much as digits as its factorization.

16116621467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 41.

The spelling of 16116621467 in words is "sixteen billion, one hundred sixteen million, six hundred twenty-one thousand, four hundred sixty-seven".