94646664648 has 64 divisors (see below), whose sum is σ = 274338172800. Its totient is φ = 30177195840.

The previous prime is 94646664617. The next prime is 94646664649. The reversal of 94646664648 is 84646664649.

It is a super-2 number, since 2×94646664648² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (94646664649) 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 15 ways as a sum of consecutive naturals, for example, 9520663 + ... + 9530598.

It is an arithmetic number, because the mean of its divisors is an integer number (4286533950).

Almost surely, 2^94646664648 is an apocalyptic number.

It is an amenable number.

94646664648 is an abundant number, since it is smaller than the sum of its proper divisors (179691508152).

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

94646664648 is a wasteful number, since it uses less digits than its factorization.

94646664648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19051299 (or 19051289 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 63.

Subtracting from 94646664648 its reverse (84646664649), we obtain a palindrome (9999999999).

The spelling of 94646664648 in words is "ninety-four billion, six hundred forty-six million, six hundred sixty-four thousand, six hundred forty-eight".