1768256534 has 32 divisors (see below), whose sum is σ = 2942407296. Its totient is φ = 790285120.

The previous prime is 1768256521. The next prime is 1768256561. The reversal of 1768256534 is 4356528671.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319757 + ... + 325239.

It is an arithmetic number, because the mean of its divisors is an integer number (91950228).

Almost surely, 2^1768256534 is an apocalyptic number.

1768256534 is a deficient number, since it is larger than the sum of its proper divisors (1174150762).

1768256534 is a wasteful number, since it uses less digits than its factorization.

1768256534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5740.

The product of its digits is 1209600, while the sum is 47.

The square root of 1768256534 is about 42050.6424921190. The cubic root of 1768256534 is about 1209.2472001635.

The spelling of 1768256534 in words is "one billion, seven hundred sixty-eight million, two hundred fifty-six thousand, five hundred thirty-four".