61550631216032 has 192 divisors, whose sum is σ = 140279167526400. Its totient is φ = 26039342923776.

The previous prime is 61550631216001. The next prime is 61550631216073. The reversal of 61550631216032 is 23061213605516.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27813207758 + ... + 27813209970.

It is an arithmetic number, because the mean of its divisors is an integer number (730620664200).

Almost surely, 2^{61550631216032} 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 61550631216032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70139583763200).

61550631216032 is an abundant number, since it is smaller than the sum of its proper divisors (78728536310368).

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

61550631216032 is a wasteful number, since it uses less digits than its factorization.

61550631216032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063 (or 5055 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 61550631216032 in words is "sixty-one trillion, five hundred fifty billion, six hundred thirty-one million, two hundred sixteen thousand, thirty-two".