40166021857316 has 6 divisors (see below), whose sum is σ = 70290538250310. Its totient is φ = 20083010928656.

The previous prime is 40166021857229. The next prime is 40166021857321. The reversal of 40166021857316 is 61375812066104.

It can be written as a sum of positive squares in only one way, i.e., 40095237126400 + 70784730916 = 6332080^2 + 266054^2 .

It is a super-2 number, since 2×40166021857316² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5020752732161 + ... + 5020752732168.

It is an arithmetic number, because the mean of its divisors is an integer number (11715089708385).

Almost surely, 2^{40166021857316} is an apocalyptic number.

It is an amenable number.

40166021857316 is a deficient number, since it is larger than the sum of its proper divisors (30124516392994).

40166021857316 is a wasteful number, since it uses less digits than its factorization.

40166021857316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10041505464333 (or 10041505464331 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 40166021857316 in words is "forty trillion, one hundred sixty-six billion, twenty-one million, eight hundred fifty-seven thousand, three hundred sixteen".