505168697 has 8 divisors (see below), whose sum is σ = 551290752. Its totient is φ = 459079600.

The previous prime is 505168649. The next prime is 505168723. The reversal of 505168697 is 796861505.

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 505168697 - 2⁸ = 505168441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505168397) 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, 32672 + ... + 45582.

It is an arithmetic number, because the mean of its divisors is an integer number (68911344).

Almost surely, 2^505168697 is an apocalyptic number.

It is an amenable number.

505168697 is a deficient number, since it is larger than the sum of its proper divisors (46122055).

505168697 is a wasteful number, since it uses less digits than its factorization.

505168697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16479.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 505168697 is about 22475.9581998188. The cubic root of 505168697 is about 796.4260873989.

The spelling of 505168697 in words is "five hundred five million, one hundred sixty-eight thousand, six hundred ninety-seven".