616115152 has 10 divisors (see below), whose sum is σ = 1193723138. Its totient is φ = 308057568.

The previous prime is 616115141. The next prime is 616115153. The reversal of 616115152 is 251511616.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 589324176 + 26790976 = 24276^2 + 5176^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 616115152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616115153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19253583 + ... + 19253614.

Almost surely, 2^616115152 is an apocalyptic number.

It is an amenable number.

616115152 is a deficient number, since it is larger than the sum of its proper divisors (577607986).

616115152 is a wasteful number, since it uses less digits than its factorization.

616115152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38507205 (or 38507199 counting only the distinct ones).

The product of its digits is 1800, while the sum is 28.

The square root of 616115152 is about 24821.6669867275. Note that the first 3 decimals coincide. The cubic root of 616115152 is about 850.9171885028.

Adding to 616115152 its reverse (251511616), we get a palindrome (867626768).

The spelling of 616115152 in words is "six hundred sixteen million, one hundred fifteen thousand, one hundred fifty-two".