66176663051 has 2 divisors, whose sum is σ = 66176663052. Its totient is φ = 66176663050.

The previous prime is 66176663027. The next prime is 66176663087. The reversal of 66176663051 is 15036667166.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66176663051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66176662987 and 66176663005.

It is not a weakly prime, because it can be changed into another prime (66176663251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33088331525 + 33088331526.

It is an arithmetic number, because the mean of its divisors is an integer number (33088331526).

Almost surely, 2^66176663051 is an apocalyptic number.

66176663051 is a deficient number, since it is larger than the sum of its proper divisors (1).

66176663051 is an equidigital number, since it uses as much as digits as its factorization.

66176663051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 66176663051 in words is "sixty-six billion, one hundred seventy-six million, six hundred sixty-three thousand, fifty-one".