10186661088 has 156 divisors (see below), whose sum is σ = 30132685800. Its totient is φ = 3389884992.

The previous prime is 10186661081. The next prime is 10186661113. The reversal of 10186661088 is 88016668101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10186661081) by changing a digit.

It is a polite number, since it can be written in 25 ways as a sum of consecutive naturals, for example, 17005813 + ... + 17006411.

Almost surely, 2^10186661088 is an apocalyptic number.

10186661088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10186661088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15066342900).

10186661088 is an abundant number, since it is smaller than the sum of its proper divisors (19946024712).

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

10186661088 is an frugal number, since it uses more digits than its factorization.

10186661088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The spelling of 10186661088 in words is "ten billion, one hundred eighty-six million, six hundred sixty-one thousand, eighty-eight".