541166563 has 16 divisors (see below), whose sum is σ = 655958016. Its totient is φ = 436407840.

The previous prime is 541166543. The next prime is 541166581. The reversal of 541166563 is 365661145.

It is a cyclic number.

It is not a de Polignac number, because 541166563 - 2¹⁷ = 541035491 is a prime.

It is a super-2 number, since 2×541166563² = 585722497818465938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (541166533) 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, 17731 + ... + 37372.

It is an arithmetic number, because the mean of its divisors is an integer number (40997376).

Almost surely, 2^541166563 is an apocalyptic number.

541166563 is a deficient number, since it is larger than the sum of its proper divisors (114791453).

541166563 is a wasteful number, since it uses less digits than its factorization.

541166563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55194.

The product of its digits is 64800, while the sum is 37.

The square root of 541166563 is about 23262.9869750211. The cubic root of 541166563 is about 814.9112593607.

The spelling of 541166563 in words is "five hundred forty-one million, one hundred sixty-six thousand, five hundred sixty-three".