61166661082 has 8 divisors (see below), whose sum is σ = 91949016852. Its totient is φ = 30516988800.

The previous prime is 61166661043. The next prime is 61166661121. The reversal of 61166661082 is 28016666116.

It is an interprime number because it is at equal distance from previous prime (61166661043) and next prime (61166661121).

It can be written as a sum of positive squares in 2 ways, for example, as 55860849801 + 5305811281 = 236349^2 + 72841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 33169719 + ... + 33171562.

Almost surely, 2^61166661082 is an apocalyptic number.

61166661082 is a deficient number, since it is larger than the sum of its proper divisors (30782355770).

61166661082 is a wasteful number, since it uses less digits than its factorization.

61166661082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66341744.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 61166661082 in words is "sixty-one billion, one hundred sixty-six million, six hundred sixty-one thousand, eighty-two".