611216516 has 12 divisors (see below), whose sum is σ = 1072014300. Its totient is φ = 304926720.

The previous prime is 611216509. The next prime is 611216531. The reversal of 611216516 is 615612116.

It can be written as a sum of positive squares in 2 ways, for example, as 408040000 + 203176516 = 20200^2 + 14254^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168365 + ... + 171956.

It is an arithmetic number, because the mean of its divisors is an integer number (89334525).

Almost surely, 2^611216516 is an apocalyptic number.

It is an amenable number.

611216516 is a deficient number, since it is larger than the sum of its proper divisors (460797784).

611216516 is a wasteful number, since it uses less digits than its factorization.

611216516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340774 (or 340772 counting only the distinct ones).

The product of its digits is 2160, while the sum is 29.

The square root of 611216516 is about 24722.7934505792. The cubic root of 611216516 is about 848.6560149357.

The spelling of 611216516 in words is "six hundred eleven million, two hundred sixteen thousand, five hundred sixteen".