8401660608 has 224 divisors, whose sum is σ = 25183014912. Its totient is φ = 2449843200.

The previous prime is 8401660607. The next prime is 8401660613. The reversal of 8401660608 is 8060661048.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8401660607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6447285 + ... + 6448587.

Almost surely, 2^8401660608 is an apocalyptic number.

8401660608 is a gapful number since it is divisible by the number (88) 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 8401660608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12591507456).

8401660608 is an abundant number, since it is smaller than the sum of its proper divisors (16781354304).

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

8401660608 is a wasteful number, since it uses less digits than its factorization.

8401660608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 8401660608 is about 91660.5728107784. The cubic root of 8401660608 is about 2032.9266600353.

The spelling of 8401660608 in words is "eight billion, four hundred one million, six hundred sixty thousand, six hundred eight".