61308806073486 has 16 divisors (see below), whose sum is σ = 122618454728400. Its totient is φ = 20436128260928.

The previous prime is 61308806073479. The next prime is 61308806073511. The reversal of 61308806073486 is 68437060880316.

61308806073486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34159671 + ... + 35909618.

It is an arithmetic number, because the mean of its divisors is an integer number (7663653420525).

Almost surely, 2^{61308806073486} is an apocalyptic number.

61308806073486 is an abundant number, since it is smaller than the sum of its proper divisors (61309648654914).

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

61308806073486 is a wasteful number, since it uses less digits than its factorization.

61308806073486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70215123.

The product of its (nonzero) digits is 27869184, while the sum is 60.

The spelling of 61308806073486 in words is "sixty-one trillion, three hundred eight billion, eight hundred six million, seventy-three thousand, four hundred eighty-six".