40166512534533 has 16 divisors (see below), whose sum is σ = 66770306551296. Its totient is φ = 20865720797040.

The previous prime is 40166512534523. The next prime is 40166512534579. The reversal of 40166512534533 is 33543521566104.

It is not a de Polignac number, because 40166512534533 - 2⁸ = 40166512534277 is a prime.

It is a super-2 number, since 2×40166512534533² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40166512534513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86940503091 + ... + 86940503552.

It is an arithmetic number, because the mean of its divisors is an integer number (4173144159456).

Almost surely, 2^{40166512534533} is an apocalyptic number.

It is an amenable number.

40166512534533 is a deficient number, since it is larger than the sum of its proper divisors (26603794016763).

40166512534533 is a wasteful number, since it uses less digits than its factorization.

40166512534533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173881006664.

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 40166512534533 in words is "forty trillion, one hundred sixty-six billion, five hundred twelve million, five hundred thirty-four thousand, five hundred thirty-three".