913166646 has 48 divisors (see below), whose sum is σ = 2126925360. Its totient is φ = 260608320.

The previous prime is 913166641. The next prime is 913166671. The reversal of 913166646 is 646661319.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 913166598 and 913166607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913166641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489756 + ... + 491616.

It is an arithmetic number, because the mean of its divisors is an integer number (44310945).

Almost surely, 2^913166646 is an apocalyptic number.

913166646 is an abundant number, since it is smaller than the sum of its proper divisors (1213758714).

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

913166646 is a wasteful number, since it uses less digits than its factorization.

913166646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549 (or 3542 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 913166646 is about 30218.6473224729. The cubic root of 913166646 is about 970.1748528096.

The spelling of 913166646 in words is "nine hundred thirteen million, one hundred sixty-six thousand, six hundred forty-six".