61586583488 has 14 divisors (see below), whose sum is σ = 122210876736. Its totient is φ = 30793291712.

The previous prime is 61586583449. The next prime is 61586583491. The reversal of 61586583488 is 88438568516.

It is a happy number.

It is a super-2 number, since 2×61586583488² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61586583488.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481145120 + ... + 481145247.

Almost surely, 2^61586583488 is an apocalyptic number.

It is an amenable number.

61586583488 is a deficient number, since it is larger than the sum of its proper divisors (60624293248).

61586583488 is an equidigital number, since it uses as much as digits as its factorization.

61586583488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962290379 (or 962290369 counting only the distinct ones).

The product of its digits is 44236800, while the sum is 62.

The spelling of 61586583488 in words is "sixty-one billion, five hundred eighty-six million, five hundred eighty-three thousand, four hundred eighty-eight".