61610650159 has 16 divisors (see below), whose sum is σ = 64960782336. Its totient is φ = 58362573600.

The previous prime is 61610650117. The next prime is 61610650163. The reversal of 61610650159 is 95105601616.

It is a cyclic number.

It is not a de Polignac number, because 61610650159 - 2⁹ = 61610649647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61610600159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239404 + ... + 424894.

It is an arithmetic number, because the mean of its divisors is an integer number (4060048896).

Almost surely, 2^61610650159 is an apocalyptic number.

61610650159 is a deficient number, since it is larger than the sum of its proper divisors (3350132177).

61610650159 is a wasteful number, since it uses less digits than its factorization.

61610650159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185766.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 61610650159 in words is "sixty-one billion, six hundred ten million, six hundred fifty thousand, one hundred fifty-nine".