1513465666 has 8 divisors (see below), whose sum is σ = 2270442384. Its totient is φ = 756651540.

The previous prime is 1513465661. The next prime is 1513465687. The reversal of 1513465666 is 6665643151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1513465661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13840 + ... + 56731.

It is an arithmetic number, because the mean of its divisors is an integer number (283805298).

Almost surely, 2^1513465666 is an apocalyptic number.

1513465666 is a deficient number, since it is larger than the sum of its proper divisors (756976718).

1513465666 is a wasteful number, since it uses less digits than its factorization.

1513465666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81296.

The product of its digits is 388800, while the sum is 43.

The square root of 1513465666 is about 38903.2860565788. The cubic root of 1513465666 is about 1148.1294520905.

The spelling of 1513465666 in words is "one billion, five hundred thirteen million, four hundred sixty-five thousand, six hundred sixty-six".