5006510666 has 4 divisors (see below), whose sum is σ = 7509766002. Its totient is φ = 2503255332.

The previous prime is 5006510657. The next prime is 5006510699. The reversal of 5006510666 is 6660156005.

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., 4172514025 + 833996641 = 64595^2 + 28879^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251627665 + ... + 1251627668.

Almost surely, 2^5006510666 is an apocalyptic number.

5006510666 is a deficient number, since it is larger than the sum of its proper divisors (2503255336).

5006510666 is a wasteful number, since it uses less digits than its factorization.

5006510666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503255335.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 5006510666 is about 70756.7005024966. The cubic root of 5006510666 is about 1710.7178302432.

The spelling of 5006510666 in words is "five billion, six million, five hundred ten thousand, six hundred sixty-six".