616045768 has 16 divisors (see below), whose sum is σ = 1243938780. Its totient is φ = 284328768.

The previous prime is 616045757. The next prime is 616045769. The reversal of 616045768 is 867540616.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 503643364 + 112402404 = 22442^2 + 10602^2 .

It is not an unprimeable number, because it can be changed into a prime (616045769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2961655 + ... + 2961862.

Almost surely, 2^616045768 is an apocalyptic number.

It is an amenable number.

616045768 is an abundant number, since it is smaller than the sum of its proper divisors (627893012).

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

616045768 is a wasteful number, since it uses less digits than its factorization.

616045768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5923536 (or 5923532 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 616045768 is about 24820.2692974915. The cubic root of 616045768 is about 850.8852452021.

The spelling of 616045768 in words is "six hundred sixteen million, forty-five thousand, seven hundred sixty-eight".