2013247666 has 8 divisors (see below), whose sum is σ = 3039871104. Its totient is φ = 999957300.

The previous prime is 2013247637. The next prime is 2013247673. The reversal of 2013247666 is 6667423102.

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, 3332890 + ... + 3333493.

It is an arithmetic number, because the mean of its divisors is an integer number (379983888).

Almost surely, 2^2013247666 is an apocalyptic number.

2013247666 is a deficient number, since it is larger than the sum of its proper divisors (1026623438).

2013247666 is a wasteful number, since it uses less digits than its factorization.

2013247666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666536.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 2013247666 is about 44869.2284979361. The cubic root of 2013247666 is about 1262.6967658026.

The spelling of 2013247666 in words is "two billion, thirteen million, two hundred forty-seven thousand, six hundred sixty-six".