1866867046227 has 12 divisors (see below), whose sum is σ = 2740792057744. Its totient is φ = 1224175111920.

The previous prime is 1866867046147. The next prime is 1866867046267. The reversal of 1866867046227 is 7226407686681.

1866867046227 is a `hidden beast` number, since 1 + 8 + 6 + 6 + 86 + 70 + 462 + 27 = 666.

It is not a de Polignac number, because 1866867046227 - 2¹⁰ = 1866867045203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1866867046267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1700242663 + ... + 1700243760.

Almost surely, 2^{1866867046227} is an apocalyptic number.

1866867046227 is a deficient number, since it is larger than the sum of its proper divisors (873925011517).

1866867046227 is a wasteful number, since it uses less digits than its factorization.

1866867046227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400486490 (or 3400486487 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 63.

The spelling of 1866867046227 in words is "one trillion, eight hundred sixty-six billion, eight hundred sixty-seven million, forty-six thousand, two hundred twenty-seven".