66405466250035 has 16 divisors (see below), whose sum is σ = 86963120673120. Its totient is φ = 48276924272640.

The previous prime is 66405466249957. The next prime is 66405466250111. The reversal of 66405466250035 is 53005266450466.

It is not a de Polignac number, because 66405466250035 - 2⁷ = 66405466249907 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224354172 + ... + 224649961.

It is an arithmetic number, because the mean of its divisors is an integer number (5435195042070).

Almost surely, 2^{66405466250035} is an apocalyptic number.

66405466250035 is a deficient number, since it is larger than the sum of its proper divisors (20557654423085).

66405466250035 is a wasteful number, since it uses less digits than its factorization.

66405466250035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449006838.

The product of its (nonzero) digits is 15552000, while the sum is 52.

The spelling of 66405466250035 in words is "sixty-six trillion, four hundred five billion, four hundred sixty-six million, two hundred fifty thousand, thirty-five".