798161688 has 56 divisors (see below), whose sum is σ = 2243819700. Its totient is φ = 266051952.

The previous prime is 798161641. The next prime is 798161699. The reversal of 798161688 is 886161897.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 13 ways as a sum of consecutive naturals, for example, 62598 + ... + 74261.

Almost surely, 2^798161688 is an apocalyptic number.

It is an amenable number.

798161688 is an abundant number, since it is smaller than the sum of its proper divisors (1445658012).

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

798161688 is a wasteful number, since it uses less digits than its factorization.

798161688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136883 (or 136864 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 54.

The square root of 798161688 is about 28251.7554852791. The cubic root of 798161688 is about 927.6061640113.

The spelling of 798161688 in words is "seven hundred ninety-eight million, one hundred sixty-one thousand, six hundred eighty-eight".