61650476559 has 36 divisors (see below), whose sum is σ = 105998668776. Its totient is φ = 34409557728.

The previous prime is 61650476539. The next prime is 61650476561. The reversal of 61650476559 is 95567405616.

61650476559 is a `hidden beast` number, since 6 + 16 + 5 + 0 + 4 + 76 + 559 = 666.

It is not a de Polignac number, because 61650476559 - 2¹⁶ = 61650411023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61650476509) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1606584 + ... + 1644509.

It is an arithmetic number, because the mean of its divisors is an integer number (2944407466).

Almost surely, 2^61650476559 is an apocalyptic number.

61650476559 is a deficient number, since it is larger than the sum of its proper divisors (44348192217).

61650476559 is a wasteful number, since it uses less digits than its factorization.

61650476559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251156 (or 3251146 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 54.

The spelling of 61650476559 in words is "sixty-one billion, six hundred fifty million, four hundred seventy-six thousand, five hundred fifty-nine".