1680454303 has 8 divisors (see below), whose sum is σ = 1833526656. Its totient is φ = 1527432600.

The previous prime is 1680454277. The next prime is 1680454337. The reversal of 1680454303 is 3034540861.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1680454303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680452303) 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, 101550 + ... + 116932.

It is an arithmetic number, because the mean of its divisors is an integer number (229190832).

Almost surely, 2^1680454303 is an apocalyptic number.

1680454303 is a deficient number, since it is larger than the sum of its proper divisors (153072353).

1680454303 is a wasteful number, since it uses less digits than its factorization.

1680454303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25325.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1680454303 is about 40993.3446183646. The cubic root of 1680454303 is about 1188.8915373068.

The spelling of 1680454303 in words is "one billion, six hundred eighty million, four hundred fifty-four thousand, three hundred three".