40166536600 has 96 divisors (see below), whose sum is σ = 94578321600. Its totient is φ = 15862246400.

The previous prime is 40166536591. The next prime is 40166536621. The reversal of 40166536600 is 663566104.

It is a super-2 number, since 2×40166536600² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40166536600.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 16214562 + ... + 16217038.

It is an arithmetic number, because the mean of its divisors is an integer number (985190850).

Almost surely, 2^40166536600 is an apocalyptic number.

40166536600 is a gapful number since it is divisible by the number (40) 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 40166536600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47289160800).

40166536600 is an abundant number, since it is smaller than the sum of its proper divisors (54411785000).

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

40166536600 is a wasteful number, since it uses less digits than its factorization.

40166536600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493 (or 3484 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 40166536600 in words is "forty billion, one hundred sixty-six million, five hundred thirty-six thousand, six hundred".