63216461236 has 6 divisors (see below), whose sum is σ = 110628807170. Its totient is φ = 31608230616.

The previous prime is 63216461221. The next prime is 63216461237.

It is a happy number.

63216461236 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 38376810000 + 24839651236 = 195900^2 + 157606^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63216461237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7902057651 + ... + 7902057658.

Almost surely, 2^63216461236 is an apocalyptic number.

It is an amenable number.

63216461236 is a deficient number, since it is larger than the sum of its proper divisors (47412345934).

63216461236 is a wasteful number, since it uses less digits than its factorization.

63216461236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15804115313 (or 15804115311 counting only the distinct ones).

The product of its digits is 186624, while the sum is 40.

The spelling of 63216461236 in words is "sixty-three billion, two hundred sixteen million, four hundred sixty-one thousand, two hundred thirty-six".