61160050105666 has 4 divisors (see below), whose sum is σ = 91740075158502. Its totient is φ = 30580025052832.

The previous prime is 61160050105639. The next prime is 61160050105709. The reversal of 61160050105666 is 66650105006116.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46677877358641 + 14482172747025 = 6832121^2 + 3805545^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15290012526415 + ... + 15290012526418.

Almost surely, 2^{61160050105666} is an apocalyptic number.

61160050105666 is a deficient number, since it is larger than the sum of its proper divisors (30580025052836).

61160050105666 is a wasteful number, since it uses less digits than its factorization.

61160050105666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30580025052835.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 61160050105666 in words is "sixty-one trillion, one hundred sixty billion, fifty million, one hundred five thousand, six hundred sixty-six".