10866337920 has 384 divisors, whose sum is σ = 39336373440. Its totient is φ = 2866212864.

The previous prime is 10866337901. The next prime is 10866337943. The reversal of 10866337920 is 2973366801.

10866337920 is a `hidden beast` number, since 1 + 0 + 8 + 6 + 633 + 7 + 9 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16640314 + ... + 16640966.

Almost surely, 2^10866337920 is an apocalyptic number.

10866337920 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 10866337920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19668186720).

10866337920 is an abundant number, since it is smaller than the sum of its proper divisors (28470035520).

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

10866337920 is an equidigital number, since it uses as much as digits as its factorization.

10866337920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 10866337920 in words is "ten billion, eight hundred sixty-six million, three hundred thirty-seven thousand, nine hundred twenty".