1315666606 has 16 divisors (see below), whose sum is σ = 2076159600. Its totient is φ = 624382528.

The previous prime is 1315666579. The next prime is 1315666607. The reversal of 1315666606 is 6066665131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315666607) 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 in 7 ways as a sum of consecutive naturals, for example, 188815 + ... + 195658.

It is an arithmetic number, because the mean of its divisors is an integer number (129759975).

Almost surely, 2^1315666606 is an apocalyptic number.

1315666606 is a deficient number, since it is larger than the sum of its proper divisors (760492994).

1315666606 is a wasteful number, since it uses less digits than its factorization.

1315666606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384563.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 1315666606 is about 36272.1188518123. The cubic root of 1315666606 is about 1095.7595991595.

The spelling of 1315666606 in words is "one billion, three hundred fifteen million, six hundred sixty-six thousand, six hundred six".