61585426892 has 24 divisors (see below), whose sum is σ = 119326992960. Its totient is φ = 27575562960.

The previous prime is 61585426853. The next prime is 61585426913. The reversal of 61585426892 is 29862458516.

It is a happy number.

61585426892 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 7 ways as a sum of consecutive naturals, for example, 10442342 + ... + 10448237.

It is an arithmetic number, because the mean of its divisors is an integer number (4971958040).

Almost surely, 2^61585426892 is an apocalyptic number.

It is an amenable number.

61585426892 is a deficient number, since it is larger than the sum of its proper divisors (57741566068).

61585426892 is a wasteful number, since it uses less digits than its factorization.

61585426892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20890661 (or 20890659 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 56.

The spelling of 61585426892 in words is "sixty-one billion, five hundred eighty-five million, four hundred twenty-six thousand, eight hundred ninety-two".