61168496860 has 48 divisors (see below), whose sum is σ = 131760236160. Its totient is φ = 23842160640.

The previous prime is 61168496771. The next prime is 61168496861. The reversal of 61168496860 is 6869486116.

It is a super-2 number, since 2×61168496860² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61168496861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73180 + ... + 357340.

It is an arithmetic number, because the mean of its divisors is an integer number (2745004920).

Almost surely, 2^61168496860 is an apocalyptic number.

It is an amenable number.

61168496860 is an abundant number, since it is smaller than the sum of its proper divisors (70591739300).

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

61168496860 is a wasteful number, since it uses less digits than its factorization.

61168496860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284446 (or 284444 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 61168496860 in words is "sixty-one billion, one hundred sixty-eight million, four hundred ninety-six thousand, eight hundred sixty".