61896495024 has 360 divisors, whose sum is σ = 220703530320. Its totient is φ = 16046263296.

The previous prime is 61896495019. The next prime is 61896495043. The reversal of 61896495024 is 42059469816.

61896495024 is a `hidden beast` number, since 6 + 1 + 8 + 96 + 49 + 502 + 4 = 666.

61896495024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 5406234 + ... + 5417670.

It is an arithmetic number, because the mean of its divisors is an integer number (613065362).

Almost surely, 2^61896495024 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 61896495024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110351765160).

61896495024 is an abundant number, since it is smaller than the sum of its proper divisors (158807035296).

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

61896495024 is a wasteful number, since it uses less digits than its factorization.

61896495024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11537 (or 11521 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 61896495024 in words is "sixty-one billion, eight hundred ninety-six million, four hundred ninety-five thousand, twenty-four".