8100166600 has 24 divisors (see below), whose sum is σ = 18832887810. Its totient is φ = 3240066560.

The previous prime is 8100166597. The next prime is 8100166619. The reversal of 8100166600 is 66610018.

It can be written as a sum of positive squares in 3 ways, for example, as 3373054084 + 4727112516 = 58078^2 + 68754^2 .

It is a super-2 number, since 2×8100166600² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20250217 + ... + 20250616.

Almost surely, 2^8100166600 is an apocalyptic number.

It is an amenable number.

8100166600 is an abundant number, since it is smaller than the sum of its proper divisors (10732721210).

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

8100166600 is a wasteful number, since it uses less digits than its factorization.

8100166600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40500849 (or 40500840 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 8100166600 is about 90000.9255507964. The cubic root of 8100166600 is about 2008.3126189829.

Adding to 8100166600 its reverse (66610018), we get a palindrome (8166776618).

The spelling of 8100166600 in words is "eight billion, one hundred million, one hundred sixty-six thousand, six hundred".