63166887 has 48 divisors (see below), whose sum is σ = 110972160. Its totient is φ = 33820416.

The previous prime is 63166877. The next prime is 63166921. The reversal of 63166887 is 78866136.

63166887 is a `hidden beast` number, since 631 + 6 + 6 + 8 + 8 + 7 = 666.

It is not a de Polignac number, because 63166887 - 2¹⁵ = 63134119 is a prime.

It is a super-2 number, since 2×63166887² = 7980111226541538, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63166837) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135028 + ... + 135494.

It is an arithmetic number, because the mean of its divisors is an integer number (2311920).

Almost surely, 2^63166887 is an apocalyptic number.

63166887 is a deficient number, since it is larger than the sum of its proper divisors (47805273).

63166887 is a wasteful number, since it uses less digits than its factorization.

63166887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 609 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 63166887 is about 7947.7598730712. The cubic root of 63166887 is about 398.2567617542.

It can be divided in two parts, 6316 and 6887, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 63166887 in words is "sixty-three million, one hundred sixty-six thousand, eight hundred eighty-seven".