61132163566 has 16 divisors (see below), whose sum is σ = 92409591456. Its totient is φ = 30329503776.

The previous prime is 61132163551. The next prime is 61132163629. The reversal of 61132163566 is 66536123116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94380 + ... + 362176.

It is an arithmetic number, because the mean of its divisors is an integer number (5775599466).

Almost surely, 2^61132163566 is an apocalyptic number.

61132163566 is a deficient number, since it is larger than the sum of its proper divisors (31277427890).

61132163566 is a wasteful number, since it uses less digits than its factorization.

61132163566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268683.

The product of its digits is 116640, while the sum is 40.

The spelling of 61132163566 in words is "sixty-one billion, one hundred thirty-two million, one hundred sixty-three thousand, five hundred sixty-six".