76661626216326 has 8 divisors (see below), whose sum is σ = 153323252432664. Its totient is φ = 25553875405440.

The previous prime is 76661626216267. The next prime is 76661626216411. The reversal of 76661626216326 is 62361262616667.

It is a sphenic number, since it is the product of 3 distinct primes.

76661626216326 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 76661626216326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6388468851355 + ... + 6388468851366.

It is an arithmetic number, because the mean of its divisors is an integer number (19165406554083).

Almost surely, 2^{76661626216326} is an apocalyptic number.

76661626216326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76661626216326 is a wasteful number, since it uses less digits than its factorization.

76661626216326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12776937702726.

The product of its digits is 47029248, while the sum is 60.

The spelling of 76661626216326 in words is "seventy-six trillion, six hundred sixty-one billion, six hundred twenty-six million, two hundred sixteen thousand, three hundred twenty-six".