61600159 has 2 divisors, whose sum is σ = 61600160. Its totient is φ = 61600158.

The previous prime is 61600139. The next prime is 61600177. The reversal of 61600159 is 95100616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61600159 - 2⁹ = 61599647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61600139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30800079 + 30800080.

It is an arithmetic number, because the mean of its divisors is an integer number (30800080).

Almost surely, 2^61600159 is an apocalyptic number.

61600159 is a deficient number, since it is larger than the sum of its proper divisors (1).

61600159 is an equidigital number, since it uses as much as digits as its factorization.

61600159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 61600159 is about 7848.5768773708. The cubic root of 61600159 is about 394.9365042412.

The spelling of 61600159 in words is "sixty-one million, six hundred thousand, one hundred fifty-nine".