1679315663 has 8 divisors (see below), whose sum is σ = 1734090240. Its totient is φ = 1624578840.

The previous prime is 1679315657. The next prime is 1679315669. The reversal of 1679315663 is 3665139761.

It is an interprime number because it is at equal distance from previous prime (1679315657) and next prime (1679315669).

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 1679315663 - 2²² = 1675121359 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 (1679315669) 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, 102056 + ... + 117362.

It is an arithmetic number, because the mean of its divisors is an integer number (216761280).

Almost surely, 2^1679315663 is an apocalyptic number.

1679315663 is a deficient number, since it is larger than the sum of its proper divisors (54774577).

1679315663 is a wasteful number, since it uses less digits than its factorization.

1679315663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18877.

The product of its digits is 612360, while the sum is 47.

The square root of 1679315663 is about 40979.4541569309. The cubic root of 1679315663 is about 1188.6229541180.

The spelling of 1679315663 in words is "one billion, six hundred seventy-nine million, three hundred fifteen thousand, six hundred sixty-three".