1660063273 has 8 divisors (see below), whose sum is σ = 1811357856. Its totient is φ = 1508832000.

The previous prime is 1660063271. The next prime is 1660063303. The reversal of 1660063273 is 3723600661.

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

It is a cyclic number.

It is not a de Polignac number, because 1660063273 - 2¹ = 1660063271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1660063271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51465 + ... + 77257.

It is an arithmetic number, because the mean of its divisors is an integer number (226419732).

Almost surely, 2^1660063273 is an apocalyptic number.

It is an amenable number.

1660063273 is a deficient number, since it is larger than the sum of its proper divisors (151294583).

1660063273 is a wasteful number, since it uses less digits than its factorization.

1660063273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31655.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 1660063273 is about 40743.8740548809. The cubic root of 1660063273 is about 1184.0631911828.

The spelling of 1660063273 in words is "one billion, six hundred sixty million, sixty-three thousand, two hundred seventy-three".