611063642164 has 12 divisors (see below), whose sum is σ = 1098263032804. Its totient is φ = 297274204224.

The previous prime is 611063642153. The next prime is 611063642179. The reversal of 611063642164 is 461246360116.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 213344219664 + 397719422500 = 461892^2 + 630650^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2064404049 + ... + 2064404344.

Almost surely, 2^611063642164 is an apocalyptic number.

It is an amenable number.

611063642164 is a deficient number, since it is larger than the sum of its proper divisors (487199390640).

611063642164 is a wasteful number, since it uses less digits than its factorization.

611063642164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128808434 (or 4128808432 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 611063642164 in words is "six hundred eleven billion, sixty-three million, six hundred forty-two thousand, one hundred sixty-four".