913666000 has 80 divisors (see below), whose sum is σ = 2379253968. Its totient is φ = 337344000.

The previous prime is 913665997. The next prime is 913666001. The reversal of 913666000 is 666319.

It can be written as a sum of positive squares in 8 ways, for example, as 509495184 + 404170816 = 22572^2 + 20104^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913666001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8430 + ... + 43570.

Almost surely, 2^913666000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 913666000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1189626984).

913666000 is an abundant number, since it is smaller than the sum of its proper divisors (1465587968).

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

913666000 is a wasteful number, since it uses less digits than its factorization.

913666000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35177 (or 35161 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 913666000 is about 30226.9085418936. The cubic root of 913666000 is about 970.3516633313.

The spelling of 913666000 in words is "nine hundred thirteen million, six hundred sixty-six thousand".