63162636541 has 4 divisors (see below), whose sum is σ = 63433721052. Its totient is φ = 62891552032.

The previous prime is 63162636533. The next prime is 63162636577. The reversal of 63162636541 is 14563626136.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6627588100 + 56535048441 = 81410^2 + 237771^2 .

It is a cyclic number.

It is not a de Polignac number, because 63162636541 - 2³ = 63162636533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63162636941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135541906 + ... + 135542371.

It is an arithmetic number, because the mean of its divisors is an integer number (15858430263).

Almost surely, 2^63162636541 is an apocalyptic number.

It is an amenable number.

63162636541 is a deficient number, since it is larger than the sum of its proper divisors (271084511).

63162636541 is a wasteful number, since it uses less digits than its factorization.

63162636541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271084510.

The product of its digits is 466560, while the sum is 43.

The spelling of 63162636541 in words is "sixty-three billion, one hundred sixty-two million, six hundred thirty-six thousand, five hundred forty-one".