611055663 has 16 divisors (see below), whose sum is σ = 842112000. Its totient is φ = 393719040.

The previous prime is 611055661. The next prime is 611055689. The reversal of 611055663 is 366550116.

It is not a de Polignac number, because 611055663 - 2¹ = 611055661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611055661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76063 + ... + 83711.

It is an arithmetic number, because the mean of its divisors is an integer number (52632000).

Almost surely, 2^611055663 is an apocalyptic number.

611055663 is a deficient number, since it is larger than the sum of its proper divisors (231056337).

611055663 is a wasteful number, since it uses less digits than its factorization.

611055663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8542.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 611055663 is about 24719.5401049453. The cubic root of 611055663 is about 848.5815618633.

The spelling of 611055663 in words is "six hundred eleven million, fifty-five thousand, six hundred sixty-three".