616852768 has 36 divisors (see below), whose sum is σ = 1412706582. Its totient is φ = 264364800.

The previous prime is 616852723. The next prime is 616852781. The reversal of 616852768 is 867258616.

It can be written as a sum of positive squares in only one way, i.e., 605750544 + 11102224 = 24612^2 + 3332^2 .

It is a super-3 number, since 3×616852768³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 195133 + ... + 198268.

Almost surely, 2^616852768 is an apocalyptic number.

It is an amenable number.

616852768 is an abundant number, since it is smaller than the sum of its proper divisors (795853814).

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

616852768 is a wasteful number, since it uses less digits than its factorization.

616852768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393425 (or 393410 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 616852768 is about 24836.5208513592. The cubic root of 616852768 is about 851.2566271192.

The spelling of 616852768 in words is "six hundred sixteen million, eight hundred fifty-two thousand, seven hundred sixty-eight".