611120072016 has 60 divisors (see below), whose sum is σ = 1727919292372. Its totient is φ = 201606617088.

The previous prime is 611120071943. The next prime is 611120072021. The reversal of 611120072016 is 610270021116.

It is a happy number.

611120072016 is a `hidden beast` number, since 611 + 1 + 20 + 0 + 7 + 20 + 1 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 344925988416 + 266194083600 = 587304^2 + 515940^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21861751 + ... + 21889686.

Almost surely, 2^611120072016 is an apocalyptic number.

It is an amenable number.

611120072016 is an abundant number, since it is smaller than the sum of its proper divisors (1116799220356).

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

611120072016 is a wasteful number, since it uses less digits than its factorization.

611120072016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43751548 (or 43751539 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The spelling of 611120072016 in words is "six hundred eleven billion, one hundred twenty million, seventy-two thousand, sixteen".