798661018626 has 64 divisors (see below), whose sum is σ = 1698557952000. Its totient is φ = 249643005696.

The previous prime is 798661018609. The next prime is 798661018633. The reversal of 798661018626 is 626810166897.

It is a self number, because there is not a number n which added to its sum of digits gives 798661018626.

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 31 ways as a sum of consecutive naturals, for example, 6205275 + ... + 6332673.

It is an arithmetic number, because the mean of its divisors is an integer number (26539968000).

Almost surely, 2^798661018626 is an apocalyptic number.

798661018626 is an abundant number, since it is smaller than the sum of its proper divisors (899896933374).

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

798661018626 is a wasteful number, since it uses less digits than its factorization.

798661018626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127983.

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 798661018626 in words is "seven hundred ninety-eight billion, six hundred sixty-one million, eighteen thousand, six hundred twenty-six".