3678514666 has 4 divisors (see below), whose sum is σ = 5517772002. Its totient is φ = 1839257332.

The previous prime is 3678514639. The next prime is 3678514673. The reversal of 3678514666 is 6664158763.

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., 1912750225 + 1765764441 = 43735^2 + 42021^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 919628665 + ... + 919628668.

Almost surely, 2^3678514666 is an apocalyptic number.

3678514666 is a deficient number, since it is larger than the sum of its proper divisors (1839257336).

3678514666 is a wasteful number, since it uses less digits than its factorization.

3678514666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839257335.

The product of its digits is 4354560, while the sum is 52.

The square root of 3678514666 is about 60650.7598138721. The cubic root of 3678514666 is about 1543.6807814233.

The spelling of 3678514666 in words is "three billion, six hundred seventy-eight million, five hundred fourteen thousand, six hundred sixty-six".