63641171 has 16 divisors (see below), whose sum is σ = 72112128. Its totient is φ = 55641600.

The previous prime is 63641153. The next prime is 63641177. The reversal of 63641171 is 17114636.

It is a cyclic number.

It is not a de Polignac number, because 63641171 - 2⁶ = 63641107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63641177) 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, 65330 + ... + 66296.

It is an arithmetic number, because the mean of its divisors is an integer number (4507008).

Almost surely, 2^63641171 is an apocalyptic number.

63641171 is a deficient number, since it is larger than the sum of its proper divisors (8470957).

63641171 is a wasteful number, since it uses less digits than its factorization.

63641171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202.

The product of its digits is 3024, while the sum is 29.

The square root of 63641171 is about 7977.5416639464. The cubic root of 63641171 is about 399.2510380988.

The spelling of 63641171 in words is "sixty-three million, six hundred forty-one thousand, one hundred seventy-one".