611764816 has 40 divisors (see below), whose sum is σ = 1277980704. Its totient is φ = 282019200.

The previous prime is 611764801. The next prime is 611764843. The reversal of 611764816 is 618467116.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 300795 + ... + 302821.

Almost surely, 2^611764816 is an apocalyptic number.

It is an amenable number.

611764816 is an abundant number, since it is smaller than the sum of its proper divisors (666215888).

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

611764816 is a wasteful number, since it uses less digits than its factorization.

611764816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3499 (or 3493 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 611764816 is about 24733.8799220826. The cubic root of 611764816 is about 848.9097051912.

The spelling of 611764816 in words is "six hundred eleven million, seven hundred sixty-four thousand, eight hundred sixteen".