268157216474 has 16 divisors (see below), whose sum is σ = 470910234816. Its totient is φ = 112121484000.

The previous prime is 268157216447. The next prime is 268157216479. The reversal of 268157216474 is 474612751862.

It is a happy number.

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, 233585852 + ... + 233586999.

It is an arithmetic number, because the mean of its divisors is an integer number (29431889676).

Almost surely, 2^268157216474 is an apocalyptic number.

268157216474 is a deficient number, since it is larger than the sum of its proper divisors (202753018342).

268157216474 is a wasteful number, since it uses less digits than its factorization.

268157216474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467172901.

The product of its digits is 4515840, while the sum is 53.

The spelling of 268157216474 in words is "two hundred sixty-eight billion, one hundred fifty-seven million, two hundred sixteen thousand, four hundred seventy-four".