61316471316 has 24 divisors (see below), whose sum is σ = 143096978304. Its totient is φ = 20435222080.

The previous prime is 61316471303. The next prime is 61316471317. The reversal of 61316471316 is 61317461316.

61316471316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61316471317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378825 + ... + 515888.

It is an arithmetic number, because the mean of its divisors is an integer number (5962374096).

Almost surely, 2^61316471316 is an apocalyptic number.

It is an amenable number.

61316471316 is an abundant number, since it is smaller than the sum of its proper divisors (81780506988).

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

61316471316 is a wasteful number, since it uses less digits than its factorization.

61316471316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900431 (or 900429 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The spelling of 61316471316 in words is "sixty-one billion, three hundred sixteen million, four hundred seventy-one thousand, three hundred sixteen".