1366047461 has 8 divisors (see below), whose sum is σ = 1447557120. Its totient is φ = 1284666048.

The previous prime is 1366047451. The next prime is 1366047469. The reversal of 1366047461 is 1647406631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1366047461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366047469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9671 + ... + 53156.

It is an arithmetic number, because the mean of its divisors is an integer number (180944640).

Almost surely, 2^1366047461 is an apocalyptic number.

It is an amenable number.

1366047461 is a deficient number, since it is larger than the sum of its proper divisors (81509659).

1366047461 is a wasteful number, since it uses less digits than its factorization.

1366047461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64123.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 1366047461 is about 36960.0792883349. The cubic root of 1366047461 is about 1109.5714226197.

The spelling of 1366047461 in words is "one billion, three hundred sixty-six million, forty-seven thousand, four hundred sixty-one".