15630116 has 6 divisors (see below), whose sum is σ = 27352710. Its totient is φ = 7815056.

The previous prime is 15630079. The next prime is 15630119. The reversal of 15630116 is 61103651.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14092516 + 1537600 = 3754^2 + 1240^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15630091 and 15630100.

It is not an unprimeable number, because it can be changed into a prime (15630119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1953761 + ... + 1953768.

It is an arithmetic number, because the mean of its divisors is an integer number (4558785).

Almost surely, 2^15630116 is an apocalyptic number.

It is an amenable number.

15630116 is a deficient number, since it is larger than the sum of its proper divisors (11722594).

15630116 is a wasteful number, since it uses less digits than its factorization.

15630116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907533 (or 3907531 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 15630116 is about 3953.4941507482. The cubic root of 15630116 is about 250.0272823559.

Adding to 15630116 its reverse (61103651), we get a palindrome (76733767).

The spelling of 15630116 in words is "fifteen million, six hundred thirty thousand, one hundred sixteen".