61345454316 has 24 divisors (see below), whose sum is σ = 143145938544. Its totient is φ = 20447549760.

The previous prime is 61345454311. The next prime is 61345454327.

It is a happy number.

61345454316 is nontrivially palindromic in base 10.

61345454316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61345454311) 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, 188386 + ... + 397718.

It is an arithmetic number, because the mean of its divisors is an integer number (5964414106).

Almost surely, 2^61345454316 is an apocalyptic number.

It is an amenable number.

61345454316 is an abundant number, since it is smaller than the sum of its proper divisors (81800484228).

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

61345454316 is a wasteful number, since it uses less digits than its factorization.

61345454316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233761 (or 233759 counting only the distinct ones).

The product of its digits is 518400, while the sum is 42.

The spelling of 61345454316 in words is "sixty-one billion, three hundred forty-five million, four hundred fifty-four thousand, three hundred sixteen".