1366016260551 has 16 divisors (see below), whose sum is σ = 1828860954624. Its totient is φ = 906926737184.

The previous prime is 1366016260547. The next prime is 1366016260649. The reversal of 1366016260551 is 1550626106631.

It is a cyclic number.

It is not a de Polignac number, because 1366016260551 - 2² = 1366016260547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366016260051) 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, 2225425 + ... + 2772101.

It is an arithmetic number, because the mean of its divisors is an integer number (114303809664).

Almost surely, 2^{1366016260551} is an apocalyptic number.

1366016260551 is a deficient number, since it is larger than the sum of its proper divisors (462844694073).

1366016260551 is a wasteful number, since it uses less digits than its factorization.

1366016260551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550110.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 1366016260551 in words is "one trillion, three hundred sixty-six billion, sixteen million, two hundred sixty thousand, five hundred fifty-one".