611166516579 has 6 divisors (see below), whose sum is σ = 882796079516. Its totient is φ = 407444344380.

The previous prime is 611166516547. The next prime is 611166516617. The reversal of 611166516579 is 975615661116.

611166516579 is a `hidden beast` number, since 6 + 1 + 1 + 1 + 6 + 65 + 1 + 6 + 579 = 666.

It is not a de Polignac number, because 611166516579 - 2⁵ = 611166516547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611166514579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33953695357 + ... + 33953695374.

Almost surely, 2^611166516579 is an apocalyptic number.

611166516579 is a deficient number, since it is larger than the sum of its proper divisors (271629562937).

611166516579 is a wasteful number, since it uses less digits than its factorization.

611166516579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67907390737 (or 67907390734 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 54.

The spelling of 611166516579 in words is "six hundred eleven billion, one hundred sixty-six million, five hundred sixteen thousand, five hundred seventy-nine".