61801823496 has 96 divisors (see below), whose sum is σ = 181320711840. Its totient is φ = 17501363712.

The previous prime is 61801823491. The next prime is 61801823519. The reversal of 61801823496 is 69432810816.

It is not an unprimeable number, because it can be changed into a prime (61801823491) 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 23 ways as a sum of consecutive naturals, for example, 99646 + ... + 365421.

It is an arithmetic number, because the mean of its divisors is an integer number (1888757415).

Almost surely, 2^61801823496 is an apocalyptic number.

It is an amenable number.

61801823496 is an abundant number, since it is smaller than the sum of its proper divisors (119518888344).

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

61801823496 is a wasteful number, since it uses less digits than its factorization.

61801823496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465203 (or 465192 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 61801823496 in words is "sixty-one billion, eight hundred one million, eight hundred twenty-three thousand, four hundred ninety-six".