611162115664 has 20 divisors (see below), whose sum is σ = 1185720332256. Its totient is φ = 305169771872.

The previous prime is 611162115661. The next prime is 611162115691. The reversal of 611162115664 is 466511261116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611162115661) 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 3 ways as a sum of consecutive naturals, for example, 25693114 + ... + 25716889.

Almost surely, 2^611162115664 is an apocalyptic number.

It is an amenable number.

611162115664 is a deficient number, since it is larger than the sum of its proper divisors (574558216592).

611162115664 is a wasteful number, since it uses less digits than its factorization.

611162115664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51410754 (or 51410748 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The spelling of 611162115664 in words is "six hundred eleven billion, one hundred sixty-two million, one hundred fifteen thousand, six hundred sixty-four".