611164648 has 32 divisors (see below), whose sum is σ = 1203730560. Its totient is φ = 290347200.

The previous prime is 611164643. The next prime is 611164651. The reversal of 611164648 is 846461116.

It is not an unprimeable number, because it can be changed into a prime (611164643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16786 + ... + 38782.

It is an arithmetic number, because the mean of its divisors is an integer number (37616580).

Almost surely, 2^611164648 is an apocalyptic number.

It is an amenable number.

611164648 is a deficient number, since it is larger than the sum of its proper divisors (592565912).

611164648 is a wasteful number, since it uses less digits than its factorization.

611164648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22177 (or 22173 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 611164648 is about 24721.7444368313. The cubic root of 611164648 is about 848.6320085298.

The spelling of 611164648 in words is "six hundred eleven million, one hundred sixty-four thousand, six hundred forty-eight".