63161532 has 72 divisors (see below), whose sum is σ = 189245056. Its totient is φ = 18044208.

The previous prime is 63161489. The next prime is 63161587. The reversal of 63161532 is 23516136.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 63161496 and 63161505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2163 + ... + 11445.

Almost surely, 2^63161532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63161532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94622528).

63161532 is an abundant number, since it is smaller than the sum of its proper divisors (126083524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63161532 is a wasteful number, since it uses less digits than its factorization.

63161532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9309 (or 9295 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 63161532 is about 7947.4229785510. The cubic root of 63161532 is about 398.2455073067.

Adding to 63161532 its reverse (23516136), we get a palindrome (86677668).

The spelling of 63161532 in words is "sixty-three million, one hundred sixty-one thousand, five hundred thirty-two".