611567632 has 20 divisors (see below), whose sum is σ = 1276059820. Its totient is φ = 282261888.

The previous prime is 611567617. The next prime is 611567633. The reversal of 611567632 is 236765116.

It can be written as a sum of positive squares in 2 ways, for example, as 380406016 + 231161616 = 19504^2 + 15204^2 .

It is a junction number, because it is equal to n+sod(n) for n = 611567591 and 611567600.

It is not an unprimeable number, because it can be changed into a prime (611567633) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1469907 + ... + 1470322.

It is an arithmetic number, because the mean of its divisors is an integer number (63802991).

Almost surely, 2^611567632 is an apocalyptic number.

It is an amenable number.

611567632 is an abundant number, since it is smaller than the sum of its proper divisors (664492188).

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

611567632 is a wasteful number, since it uses less digits than its factorization.

611567632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940250 (or 2940244 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 611567632 is about 24729.8934894593. The cubic root of 611567632 is about 848.8184885479.

The spelling of 611567632 in words is "six hundred eleven million, five hundred sixty-seven thousand, six hundred thirty-two".