2265542166546 has 24 divisors (see below), whose sum is σ = 5077939339980. Its totient is φ = 729140007456.

The previous prime is 2265542166479. The next prime is 2265542166577. The reversal of 2265542166546 is 6456612455622.

2265542166546 is a `hidden beast` number, since 2 + 2 + 6 + 55 + 42 + 1 + 6 + 6 + 546 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2178691129521 + 86851037025 = 1476039^2 + 294705^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2265542166492 and 2265542166501.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2170059025 + ... + 2170060068.

Almost surely, 2^{2265542166546} is an apocalyptic number.

2265542166546 is an abundant number, since it is smaller than the sum of its proper divisors (2812397173434).

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

2265542166546 is a wasteful number, since it uses less digits than its factorization.

2265542166546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340119130 (or 4340119127 counting only the distinct ones).

The product of its digits is 20736000, while the sum is 54.

The spelling of 2265542166546 in words is "two trillion, two hundred sixty-five billion, five hundred forty-two million, one hundred sixty-six thousand, five hundred forty-six".