76661654901 has 64 divisors (see below), whose sum is σ = 115912581120. Its totient is φ = 44757504000.

The previous prime is 76661654857. The next prime is 76661655017. The reversal of 76661654901 is 10945616667.

It is not a de Polignac number, because 76661654901 - 2⁹ = 76661654389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76661652901) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 8676556 + ... + 8685386.

It is an arithmetic number, because the mean of its divisors is an integer number (1811134080).

Almost surely, 2^76661654901 is an apocalyptic number.

It is an amenable number.

76661654901 is a deficient number, since it is larger than the sum of its proper divisors (39250926219).

76661654901 is a wasteful number, since it uses less digits than its factorization.

76661654901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9038.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 76661654901 in words is "seventy-six billion, six hundred sixty-one million, six hundred fifty-four thousand, nine hundred one".