116161601 has 2 divisors, whose sum is σ = 116161602. Its totient is φ = 116161600.

The previous prime is 116161597. The next prime is 116161657. The reversal of 116161601 is 106161611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115584001 + 577600 = 10751^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 116161601 - 2² = 116161597 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (116161301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58080800 + 58080801.

It is an arithmetic number, because the mean of its divisors is an integer number (58080801).

Almost surely, 2^116161601 is an apocalyptic number.

It is an amenable number.

116161601 is a deficient number, since it is larger than the sum of its proper divisors (1).

116161601 is an equidigital number, since it uses as much as digits as its factorization.

116161601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 116161601 is about 10777.8291413438. The cubic root of 116161601 is about 487.9262645581.

The spelling of 116161601 in words is "one hundred sixteen million, one hundred sixty-one thousand, six hundred one".