61848615580 has 24 divisors (see below), whose sum is σ = 132083486640. Its totient is φ = 24320133120.

The previous prime is 61848615551. The next prime is 61848615599. The reversal of 61848615580 is 8551684816.

It is a congruent number.

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, 26205861 + ... + 26208220.

It is an arithmetic number, because the mean of its divisors is an integer number (5503478610).

Almost surely, 2^61848615580 is an apocalyptic number.

It is an amenable number.

61848615580 is an abundant number, since it is smaller than the sum of its proper divisors (70234871060).

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

61848615580 is a wasteful number, since it uses less digits than its factorization.

61848615580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52414149 (or 52414147 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 52.

The spelling of 61848615580 in words is "sixty-one billion, eight hundred forty-eight million, six hundred fifteen thousand, five hundred eighty".