616503106 has 4 divisors (see below), whose sum is σ = 924754662. Its totient is φ = 308251552.

The previous prime is 616503103. The next prime is 616503131. The reversal of 616503106 is 601305616.

616503106 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 597362481 + 19140625 = 24441^2 + 4375^2 .

It is not an unprimeable number, because it can be changed into a prime (616503103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154125775 + ... + 154125778.

Almost surely, 2^616503106 is an apocalyptic number.

616503106 is a deficient number, since it is larger than the sum of its proper divisors (308251556).

616503106 is a wasteful number, since it uses less digits than its factorization.

616503106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308251555.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 616503106 is about 24829.4805825656. The cubic root of 616503106 is about 851.0957522345.

The spelling of 616503106 in words is "six hundred sixteen million, five hundred three thousand, one hundred six".