1366460474187 has 4 divisors (see below), whose sum is σ = 1821947298920. Its totient is φ = 910973649456.

The previous prime is 1366460474167. The next prime is 1366460474191. The reversal of 1366460474187 is 7814740646631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1366460474187 - 2¹⁰ = 1366460473163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1366460474167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227743412362 + ... + 227743412367.

It is an arithmetic number, because the mean of its divisors is an integer number (455486824730).

Almost surely, 2^{1366460474187} is an apocalyptic number.

1366460474187 is a deficient number, since it is larger than the sum of its proper divisors (455486824733).

1366460474187 is an equidigital number, since it uses as much as digits as its factorization.

1366460474187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455486824732.

The product of its (nonzero) digits is 16257024, while the sum is 57.

The spelling of 1366460474187 in words is "one trillion, three hundred sixty-six billion, four hundred sixty million, four hundred seventy-four thousand, one hundred eighty-seven".