1660452713 has 6 divisors (see below), whose sum is σ = 1758304314. Its totient is φ = 1562620896.

The previous prime is 1660452709. The next prime is 1660452719. The reversal of 1660452713 is 3172540661.

It can be written as a sum of positive squares in only one way, i.e., 1562779024 + 97673689 = 39532^2 + 9883^2 .

It is not a de Polignac number, because 1660452713 - 2² = 1660452709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1660452719) 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 5 ways as a sum of consecutive naturals, for example, 163070 + ... + 172952.

It is an arithmetic number, because the mean of its divisors is an integer number (293050719).

Almost surely, 2^1660452713 is an apocalyptic number.

It is an amenable number.

1660452713 is a deficient number, since it is larger than the sum of its proper divisors (97851601).

1660452713 is an frugal number, since it uses more digits than its factorization.

1660452713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19783 (or 9900 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1660452713 is about 40748.6528979793. The cubic root of 1660452713 is about 1184.1557751067.

The spelling of 1660452713 in words is "one billion, six hundred sixty million, four hundred fifty-two thousand, seven hundred thirteen".