161136063659 has 2 divisors, whose sum is σ = 161136063660. Its totient is φ = 161136063658.

The previous prime is 161136063629. The next prime is 161136063661. The reversal of 161136063659 is 956360631161.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161136063659 is a prime.

Together with 161136063661, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (161136063629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80568031829 + 80568031830.

It is an arithmetic number, because the mean of its divisors is an integer number (80568031830).

Almost surely, 2^161136063659 is an apocalyptic number.

161136063659 is a deficient number, since it is larger than the sum of its proper divisors (1).

161136063659 is an equidigital number, since it uses as much as digits as its factorization.

161136063659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 47.

The spelling of 161136063659 in words is "one hundred sixty-one billion, one hundred thirty-six million, sixty-three thousand, six hundred fifty-nine".