63161187 has 8 divisors (see below), whose sum is σ = 88647360. Its totient is φ = 39891240.

The previous prime is 63161143. The next prime is 63161201. The reversal of 63161187 is 78116136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63161187 - 2⁶ = 63161123 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (63161587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553989 + ... + 554102.

It is an arithmetic number, because the mean of its divisors is an integer number (11080920).

Almost surely, 2^63161187 is an apocalyptic number.

63161187 is a deficient number, since it is larger than the sum of its proper divisors (25486173).

63161187 is a wasteful number, since it uses less digits than its factorization.

63161187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108113.

The product of its digits is 6048, while the sum is 33.

The square root of 63161187 is about 7947.4012733723. The cubic root of 63161187 is about 398.2447822085.

It can be divided in two parts, 6316 and 1187, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 63161187 in words is "sixty-three million, one hundred sixty-one thousand, one hundred eighty-seven".