16161623247767 has 2 divisors, whose sum is σ = 16161623247768. Its totient is φ = 16161623247766.

The previous prime is 16161623247703. The next prime is 16161623247811. The reversal of 16161623247767 is 76774232616161.

It is a strong prime.

It is an emirp because it is prime and its reverse (76774232616161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16161623247767 - 2⁶ = 16161623247703 is a prime.

It is a super-2 number, since 2×16161623247767² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16161623241767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8080811623883 + 8080811623884.

It is an arithmetic number, because the mean of its divisors is an integer number (8080811623884).

Almost surely, 2^{16161623247767} is an apocalyptic number.

16161623247767 is a deficient number, since it is larger than the sum of its proper divisors (1).

16161623247767 is an equidigital number, since it uses as much as digits as its factorization.

16161623247767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21337344, while the sum is 59.

The spelling of 16161623247767 in words is "sixteen trillion, one hundred sixty-one billion, six hundred twenty-three million, two hundred forty-seven thousand, seven hundred sixty-seven".