61647263060 has 24 divisors (see below), whose sum is σ = 129476382336. Its totient is φ = 24655642400.

The previous prime is 61647263003. The next prime is 61647263063. The reversal of 61647263060 is 6036274616.

It is a junction number, because it is equal to n+sod(n) for n = 61647262999 and 61647263017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61647263063) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 46016 + ... + 354135.

It is an arithmetic number, because the mean of its divisors is an integer number (5394849264).

Almost surely, 2^61647263060 is an apocalyptic number.

It is an amenable number.

61647263060 is an abundant number, since it is smaller than the sum of its proper divisors (67829119276).

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

61647263060 is a wasteful number, since it uses less digits than its factorization.

61647263060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407863 (or 407861 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 61647263060 in words is "sixty-one billion, six hundred forty-seven million, two hundred sixty-three thousand, sixty".