268157216473 has 8 divisors (see below), whose sum is σ = 269058973568. Its totient is φ = 267255746784.

The previous prime is 268157216447. The next prime is 268157216479. The reversal of 268157216473 is 374612751862.

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 268157216473 - 2¹³ = 268157208281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 268157216473.

It is not an unprimeable number, because it can be changed into a prime (268157216479) 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, 1886740 + ... + 2023882.

It is an arithmetic number, because the mean of its divisors is an integer number (33632371696).

Almost surely, 2^268157216473 is an apocalyptic number.

It is an amenable number.

268157216473 is a deficient number, since it is larger than the sum of its proper divisors (901757095).

268157216473 is a wasteful number, since it uses less digits than its factorization.

268157216473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143703.

The product of its digits is 3386880, while the sum is 52.

The spelling of 268157216473 in words is "two hundred sixty-eight billion, one hundred fifty-seven million, two hundred sixteen thousand, four hundred seventy-three".