76663307666633 has 8 divisors (see below), whose sum is σ = 76847139270720. Its totient is φ = 76479484278960.

The previous prime is 76663307666629. The next prime is 76663307666653. The reversal of 76663307666633 is 33666670336667.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 76663307666633 - 2² = 76663307666629 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76663307666653) 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, 16837316 + ... + 20900282.

It is an arithmetic number, because the mean of its divisors is an integer number (9605892408840).

Almost surely, 2^{76663307666633} is an apocalyptic number.

It is an amenable number.

76663307666633 is a deficient number, since it is larger than the sum of its proper divisors (183831604087).

76663307666633 is a wasteful number, since it uses less digits than its factorization.

76663307666633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108207.

The product of its (nonzero) digits is 1111065984, while the sum is 68.

The spelling of 76663307666633 in words is "seventy-six trillion, six hundred sixty-three billion, three hundred seven million, six hundred sixty-six thousand, six hundred thirty-three".