10181626668 has 24 divisors (see below), whose sum is σ = 26396810160. Its totient is φ = 3393875520.

The previous prime is 10181626649. The next prime is 10181626669. The reversal of 10181626668 is 86662618101.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (10181626669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47137053 + ... + 47137268.

It is an arithmetic number, because the mean of its divisors is an integer number (1099867090).

Almost surely, 2^10181626668 is an apocalyptic number.

10181626668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10181626668 is an abundant number, since it is smaller than the sum of its proper divisors (16215183492).

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

10181626668 is a wasteful number, since it uses less digits than its factorization.

10181626668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94274334 (or 94274326 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The spelling of 10181626668 in words is "ten billion, one hundred eighty-one million, six hundred twenty-six thousand, six hundred sixty-eight".