10666606500 has 576 divisors, whose sum is σ = 39837837312. Its totient is φ = 2466288000.

The previous prime is 10666606469. The next prime is 10666606507. The reversal of 10666606500 is 560666601.

It is a super-2 number, since 2×10666606500² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (10666606507) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 30739327 + ... + 30739673.

It is an arithmetic number, because the mean of its divisors is an integer number (69162912).

Almost surely, 2^10666606500 is an apocalyptic number.

10666606500 is a gapful number since it is divisible by the number (10) 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 10666606500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19918918656).

10666606500 is an abundant number, since it is smaller than the sum of its proper divisors (29171230812).

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

10666606500 is a wasteful number, since it uses less digits than its factorization.

10666606500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 10666606500 in words is "ten billion, six hundred sixty-six million, six hundred six thousand, five hundred".