616561046 has 32 divisors (see below), whose sum is σ = 999917568. Its totient is φ = 284296320.

The previous prime is 616561037. The next prime is 616561067. The reversal of 616561046 is 640165616.

It is a super-2 number, since 2×616561046² = 760295046889228232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 616560997 and 616561015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479921 + ... + 481203.

It is an arithmetic number, because the mean of its divisors is an integer number (31247424).

Almost surely, 2^616561046 is an apocalyptic number.

616561046 is a deficient number, since it is larger than the sum of its proper divisors (383356522).

616561046 is a wasteful number, since it uses less digits than its factorization.

616561046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 616561046 is about 24830.6473133505. The cubic root of 616561046 is about 851.1224138699.

The spelling of 616561046 in words is "six hundred sixteen million, five hundred sixty-one thousand, forty-six".