40546166130561 has 64 divisors (see below), whose sum is σ = 68341622816768. Its totient is φ = 20807129104128.

The previous prime is 40546166130559. The next prime is 40546166130571. The reversal of 40546166130561 is 16503166164504.

It is not a de Polignac number, because 40546166130561 - 2¹ = 40546166130559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40546166130561.

It is not an unprimeable number, because it can be changed into a prime (40546166130541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 118445130 + ... + 118786956.

It is an arithmetic number, because the mean of its divisors is an integer number (1067837856512).

Almost surely, 2^{40546166130561} is an apocalyptic number.

It is an amenable number.

40546166130561 is a deficient number, since it is larger than the sum of its proper divisors (27795456686207).

40546166130561 is a wasteful number, since it uses less digits than its factorization.

40546166130561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353630.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 40546166130561 in words is "forty trillion, five hundred forty-six billion, one hundred sixty-six million, one hundred thirty thousand, five hundred sixty-one".