61614401316 has 192 divisors, whose sum is σ = 169845258240. Its totient is φ = 17209589760.

The previous prime is 61614401281. The next prime is 61614401327. The reversal of 61614401316 is 61310441616.

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, 9673965 + ... + 9680331.

It is an arithmetic number, because the mean of its divisors is an integer number (884610720).

Almost surely, 2^61614401316 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 61614401316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84922629120).

61614401316 is an abundant number, since it is smaller than the sum of its proper divisors (108230856924).

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

61614401316 is a wasteful number, since it uses less digits than its factorization.

61614401316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6534 (or 6532 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 61614401316 in words is "sixty-one billion, six hundred fourteen million, four hundred one thousand, three hundred sixteen".