59961897216 has 180 divisors, whose sum is σ = 192549895692. Its totient is φ = 18449731584.

The previous prime is 59961897199. The next prime is 59961897217. The reversal of 59961897216 is 61279816995.

59961897216 is a `hidden beast` number, since 5 + 9 + 9 + 618 + 9 + 7 + 2 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7868399616 + 52093497600 = 88704^2 + 228240^2 .

It is not an unprimeable number, because it can be changed into a prime (59961897217) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 158350 + ... + 380786.

Almost surely, 2^59961897216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 59961897216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96274947846).

59961897216 is an abundant number, since it is smaller than the sum of its proper divisors (132587998476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

59961897216 is a wasteful number, since it uses less digits than its factorization.

59961897216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222478 (or 222455 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 63.

The spelling of 59961897216 in words is "fifty-nine billion, nine hundred sixty-one million, eight hundred ninety-seven thousand, two hundred sixteen".