61960989204772 has 192 divisors, whose sum is σ = 134273567232000. Its totient is φ = 24430803890688.

The previous prime is 61960989204757. The next prime is 61960989204833. The reversal of 61960989204772 is 27740298906916.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 852493129 + ... + 852565807.

It is an arithmetic number, because the mean of its divisors is an integer number (699341496000).

Almost surely, 2^{61960989204772} 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 61960989204772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67136783616000).

61960989204772 is an abundant number, since it is smaller than the sum of its proper divisors (72312578027228).

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

61960989204772 is a wasteful number, since it uses less digits than its factorization.

61960989204772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73098 (or 73096 counting only the distinct ones).

The product of its (nonzero) digits is 164602368, while the sum is 70.

The spelling of 61960989204772 in words is "sixty-one trillion, nine hundred sixty billion, nine hundred eighty-nine million, two hundred four thousand, seven hundred seventy-two".