8166463488 has 72 divisors (see below), whose sum is σ = 23586299100. Its totient is φ = 2722148352.

The previous prime is 8166463433. The next prime is 8166463507. The reversal of 8166463488 is 8843646618.

8166463488 is a `hidden beast` number, since 81 + 66 + 463 + 48 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×8166463488² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203098 + ... + 239961.

Almost surely, 2^8166463488 is an apocalyptic number.

It is an amenable number.

8166463488 is an abundant number, since it is smaller than the sum of its proper divisors (15419835612).

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

8166463488 is a wasteful number, since it uses less digits than its factorization.

8166463488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443087 (or 443064 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The square root of 8166463488 is about 90368.4872508111. The cubic root of 8166463488 is about 2013.7768387847.

The spelling of 8166463488 in words is "eight billion, one hundred sixty-six million, four hundred sixty-three thousand, four hundred eighty-eight".