3773104657666 has 4 divisors (see below), whose sum is σ = 5659656986502. Its totient is φ = 1886552328832.

The previous prime is 3773104657627. The next prime is 3773104657667. The reversal of 3773104657666 is 6667564013773.

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., 2472193327041 + 1300911330625 = 1572321^2 + 1140575^2 .

It is not an unprimeable number, because it can be changed into a prime (3773104657667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 943276164415 + ... + 943276164418.

Almost surely, 2^{3773104657666} is an apocalyptic number.

3773104657666 is a deficient number, since it is larger than the sum of its proper divisors (1886552328836).

3773104657666 is a wasteful number, since it uses less digits than its factorization.

3773104657666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886552328835.

The product of its (nonzero) digits is 80015040, while the sum is 61.

The spelling of 3773104657666 in words is "three trillion, seven hundred seventy-three billion, one hundred four million, six hundred fifty-seven thousand, six hundred sixty-six".