66160346487 has 16 divisors (see below), whose sum is σ = 90333534720. Its totient is φ = 43048579392.

The previous prime is 66160346449. The next prime is 66160346507. The reversal of 66160346487 is 78464306166.

It is not a de Polignac number, because 66160346487 - 2¹⁰ = 66160345463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66160346407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22062 + ... + 364427.

It is an arithmetic number, because the mean of its divisors is an integer number (5645845920).

Almost surely, 2^66160346487 is an apocalyptic number.

66160346487 is a deficient number, since it is larger than the sum of its proper divisors (24173188233).

66160346487 is a wasteful number, since it uses less digits than its factorization.

66160346487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387862.

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 66160346487 in words is "sixty-six billion, one hundred sixty million, three hundred forty-six thousand, four hundred eighty-seven".