946664550 has 384 divisors, whose sum is σ = 3149798400. Its totient is φ = 206530560.

The previous prime is 946664527. The next prime is 946664597. The reversal of 946664550 is 55466649.

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

It is a junction number, because it is equal to n+sod(n) for n = 946664496 and 946664505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5668567 + ... + 5668733.

It is an arithmetic number, because the mean of its divisors is an integer number (8202600).

Almost surely, 2^946664550 is an apocalyptic number.

946664550 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 946664550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1574899200).

946664550 is an abundant number, since it is smaller than the sum of its proper divisors (2203133850).

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

946664550 is a wasteful number, since it uses less digits than its factorization.

946664550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 946664550 is about 30767.9142939524. The cubic root of 946664550 is about 981.8957300560.

The spelling of 946664550 in words is "nine hundred forty-six million, six hundred sixty-four thousand, five hundred fifty".