66005014405 has 32 divisors (see below), whose sum is σ = 92260270080. Its totient is φ = 44848668480.

The previous prime is 66005014399. The next prime is 66005014417. The reversal of 66005014405 is 50441050066.

It is not a de Polignac number, because 66005014405 - 2²⁹ = 65468143493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552325 + ... + 661114.

It is an arithmetic number, because the mean of its divisors is an integer number (2883133440).

Almost surely, 2^66005014405 is an apocalyptic number.

It is an amenable number.

66005014405 is a deficient number, since it is larger than the sum of its proper divisors (26255255675).

66005014405 is a wasteful number, since it uses less digits than its factorization.

66005014405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213521.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 66005014405 in words is "sixty-six billion, five million, fourteen thousand, four hundred five".