10861326198 has 24 divisors (see below), whose sum is σ = 23560175808. Its totient is φ = 3616241712.

The previous prime is 10861326137. The next prime is 10861326221. The reversal of 10861326198 is 89162316801.

10861326198 is a `hidden beast` number, since 1 + 0 + 8 + 613 + 26 + 1 + 9 + 8 = 666.

It is a super-2 number, since 2×10861326198² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 334065 + ... + 365132.

It is an arithmetic number, because the mean of its divisors is an integer number (981673992).

Almost surely, 2^10861326198 is an apocalyptic number.

10861326198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10861326198 is an abundant number, since it is smaller than the sum of its proper divisors (12698849610).

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

10861326198 is a wasteful number, since it uses less digits than its factorization.

10861326198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700068 (or 700065 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 10861326198 in words is "ten billion, eight hundred sixty-one million, three hundred twenty-six thousand, one hundred ninety-eight".