10646010198 has 64 divisors (see below), whose sum is σ = 25203467520. Its totient is φ = 3319387776.

The previous prime is 10646010191. The next prime is 10646010233. The reversal of 10646010198 is 89101064601.

It is a happy number.

10646010198 is a `hidden beast` number, since 1 + 0 + 6 + 460 + 1 + 0 + 198 = 666.

It is a super-2 number, since 2×10646010198² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10646010191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114061 + ... + 185207.

It is an arithmetic number, because the mean of its divisors is an integer number (393804180).

Almost surely, 2^10646010198 is an apocalyptic number.

10646010198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10646010198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12601733760).

10646010198 is an abundant number, since it is smaller than the sum of its proper divisors (14557457322).

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

10646010198 is a wasteful number, since it uses less digits than its factorization.

10646010198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71338 (or 71332 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

Adding to 10646010198 its reverse (89101064601), we get a palindrome (99747074799).

The spelling of 10646010198 in words is "ten billion, six hundred forty-six million, ten thousand, one hundred ninety-eight".