496198663686 has 48 divisors (see below), whose sum is σ = 1210666549248. Its totient is φ = 145512802800.

The previous prime is 496198663651. The next prime is 496198663687. The reversal of 496198663686 is 686366891694.

It is a happy number.

496198663686 is a `hidden beast` number, since 496 + 19 + 8 + 6 + 63 + 68 + 6 = 666.

It is a super-2 number, since 2×496198663686² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496198663687) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 40414086 + ... + 40426361.

It is an arithmetic number, because the mean of its divisors is an integer number (25222219776).

Almost surely, 2^496198663686 is an apocalyptic number.

496198663686 is an abundant number, since it is smaller than the sum of its proper divisors (714467885562).

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

496198663686 is a wasteful number, since it uses less digits than its factorization.

496198663686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80840497 (or 80840494 counting only the distinct ones).

The product of its digits is 483729408, while the sum is 72.

The spelling of 496198663686 in words is "four hundred ninety-six billion, one hundred ninety-eight million, six hundred sixty-three thousand, six hundred eighty-six".