61818006708 has 60 divisors (see below), whose sum is σ = 161689806432. Its totient is φ = 20595122640.

The previous prime is 61818006707. The next prime is 61818006713. The reversal of 61818006708 is 80760081816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61818006703) 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 19 ways as a sum of consecutive naturals, for example, 576241 + ... + 675047.

Almost surely, 2^61818006708 is an apocalyptic number.

It is an amenable number.

61818006708 is an abundant number, since it is smaller than the sum of its proper divisors (99871799724).

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

61818006708 is a wasteful number, since it uses less digits than its factorization.

61818006708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100754 (or 100743 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 61818006708 in words is "sixty-one billion, eight hundred eighteen million, six thousand, seven hundred eight".