496821623816 has 32 divisors (see below), whose sum is σ = 1064660298240. Its totient is φ = 212915046528.

The previous prime is 496821623807. The next prime is 496821623891. The reversal of 496821623816 is 618326128694.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354100 + ... + 1681436.

It is an arithmetic number, because the mean of its divisors is an integer number (33270634320).

Almost surely, 2^496821623816 is an apocalyptic number.

It is an amenable number.

496821623816 is an abundant number, since it is smaller than the sum of its proper divisors (567838674424).

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

496821623816 is a wasteful number, since it uses less digits than its factorization.

496821623816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354453 (or 354449 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 56.

The spelling of 496821623816 in words is "four hundred ninety-six billion, eight hundred twenty-one million, six hundred twenty-three thousand, eight hundred sixteen".