66484051 has 2 divisors, whose sum is σ = 66484052. Its totient is φ = 66484050.

The previous prime is 66484049. The next prime is 66484069. The reversal of 66484051 is 15048466.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66484051 - 2¹ = 66484049 is a prime.

Together with 66484049, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 66483998 and 66484016.

It is not a weakly prime, because it can be changed into another prime (66484351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33242025 + 33242026.

It is an arithmetic number, because the mean of its divisors is an integer number (33242026).

Almost surely, 2^66484051 is an apocalyptic number.

66484051 is a deficient number, since it is larger than the sum of its proper divisors (1).

66484051 is an equidigital number, since it uses as much as digits as its factorization.

66484051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 66484051 is about 8153.7752605772. The cubic root of 66484051 is about 405.1095593451.

The spelling of 66484051 in words is "sixty-six million, four hundred eighty-four thousand, fifty-one".