40166254645737 has 16 divisors (see below), whose sum is σ = 59848610028480. Its totient is φ = 23749448422400.

The previous prime is 40166254645703. The next prime is 40166254645837. The reversal of 40166254645737 is 73754645266104.

It is a cyclic number.

It is not a de Polignac number, because 40166254645737 - 2⁷ = 40166254645609 is a prime.

It is a super-2 number, since 2×40166254645737² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40166254645837) 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, 14843403912 + ... + 14843406617.

It is an arithmetic number, because the mean of its divisors is an integer number (3740538126780).

Almost surely, 2^{40166254645737} is an apocalyptic number.

It is an amenable number.

40166254645737 is a deficient number, since it is larger than the sum of its proper divisors (19682355382743).

40166254645737 is a wasteful number, since it uses less digits than its factorization.

40166254645737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29686810584.

The product of its (nonzero) digits is 101606400, while the sum is 60.

The spelling of 40166254645737 in words is "forty trillion, one hundred sixty-six billion, two hundred fifty-four million, six hundred forty-five thousand, seven hundred thirty-seven".