61639060582 has 16 divisors (see below), whose sum is σ = 100886400000. Its totient is φ = 28011509640.

The previous prime is 61639060537. The next prime is 61639060709. The reversal of 61639060582 is 28506093616.

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, 210582 + ... + 409417.

It is an arithmetic number, because the mean of its divisors is an integer number (6305400000).

Almost surely, 2^61639060582 is an apocalyptic number.

61639060582 is a deficient number, since it is larger than the sum of its proper divisors (39247339418).

61639060582 is a wasteful number, since it uses less digits than its factorization.

61639060582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624531.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 61639060582 in words is "sixty-one billion, six hundred thirty-nine million, sixty thousand, five hundred eighty-two".