8166004140 has 48 divisors (see below), whose sum is σ = 26131214592. Its totient is φ = 1866515136.

The previous prime is 8166004057. The next prime is 8166004151. The reversal of 8166004140 is 414006618.

It is a super-2 number, since 2×8166004140² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 8166004098 and 8166004107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9721014 + ... + 9721853.

It is an arithmetic number, because the mean of its divisors is an integer number (544400304).

Almost surely, 2^8166004140 is an apocalyptic number.

It is an amenable number.

8166004140 is an abundant number, since it is smaller than the sum of its proper divisors (17965210452).

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

8166004140 is a wasteful number, since it uses less digits than its factorization.

8166004140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19442886 (or 19442884 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 8166004140 is about 90365.9456875210. The cubic root of 8166004140 is about 2013.7390810410.

The spelling of 8166004140 in words is "eight billion, one hundred sixty-six million, four thousand, one hundred forty".