61461341772 has 48 divisors (see below), whose sum is σ = 145664601600. Its totient is φ = 20166569280.

The previous prime is 61461341761. The next prime is 61461341791. The reversal of 61461341772 is 27714316416.

61461341772 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 15 ways as a sum of consecutive naturals, for example, 215854 + ... + 411722.

It is an arithmetic number, because the mean of its divisors is an integer number (3034679200).

Almost surely, 2^61461341772 is an apocalyptic number.

It is an amenable number.

61461341772 is an abundant number, since it is smaller than the sum of its proper divisors (84203259828).

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

61461341772 is a wasteful number, since it uses less digits than its factorization.

61461341772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196286 (or 196284 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The spelling of 61461341772 in words is "sixty-one billion, four hundred sixty-one million, three hundred forty-one thousand, seven hundred seventy-two".