76140261266 has 32 divisors (see below), whose sum is σ = 127963784448. Its totient is φ = 33790113280.

The previous prime is 76140261257. The next prime is 76140261271. The reversal of 76140261266 is 66216204167.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630155 + ... + 741198.

It is an arithmetic number, because the mean of its divisors is an integer number (3998868264).

Almost surely, 2^76140261266 is an apocalyptic number.

76140261266 is a deficient number, since it is larger than the sum of its proper divisors (51823523182).

76140261266 is a wasteful number, since it uses less digits than its factorization.

76140261266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371466.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 76140261266 in words is "seventy-six billion, one hundred forty million, two hundred sixty-one thousand, two hundred sixty-six".