61065617484 has 48 divisors (see below), whose sum is σ = 144852898400. Its totient is φ = 20018741760.

The previous prime is 61065617453. The next prime is 61065617489. The reversal of 61065617484 is 48471656016.

It is a happy number.

61065617484 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 (61065617489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205854 + ... + 405594.

Almost surely, 2^61065617484 is an apocalyptic number.

It is an amenable number.

61065617484 is an abundant number, since it is smaller than the sum of its proper divisors (83787280916).

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

61065617484 is a wasteful number, since it uses less digits than its factorization.

61065617484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200170 (or 200168 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 61065617484 in words is "sixty-one billion, sixty-five million, six hundred seventeen thousand, four hundred eighty-four".