16161101659 has 2 divisors, whose sum is σ = 16161101660. Its totient is φ = 16161101658.

The previous prime is 16161101657. The next prime is 16161101683. The reversal of 16161101659 is 95610116161.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16161101659 - 2¹ = 16161101657 is a prime.

It is a super-2 number, since 2×16161101659² (a number of 21 digits) contains 22 as substring.

Together with 16161101657, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16161101657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8080550829 + 8080550830.

It is an arithmetic number, because the mean of its divisors is an integer number (8080550830).

Almost surely, 2^16161101659 is an apocalyptic number.

16161101659 is a deficient number, since it is larger than the sum of its proper divisors (1).

16161101659 is an equidigital number, since it uses as much as digits as its factorization.

16161101659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 37.

The spelling of 16161101659 in words is "sixteen billion, one hundred sixty-one million, one hundred one thousand, six hundred fifty-nine".