1366061371049 has 8 divisors (see below), whose sum is σ = 1367205818880. Its totient is φ = 1364917057056.

The previous prime is 1366061371039. The next prime is 1366061371057. The reversal of 1366061371049 is 9401731606631.

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

It is a cyclic number.

It is not a de Polignac number, because 1366061371049 - 2¹⁶ = 1366061305513 is a prime.

It is a super-2 number, since 2×1366061371049² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1366061370994 and 1366061371012.

It is not an unprimeable number, because it can be changed into a prime (1366061371039) 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, 36959072 + ... + 36996014.

It is an arithmetic number, because the mean of its divisors is an integer number (170900727360).

Almost surely, 2^{1366061371049} is an apocalyptic number.

It is an amenable number.

1366061371049 is a deficient number, since it is larger than the sum of its proper divisors (1144447831).

1366061371049 is a wasteful number, since it uses less digits than its factorization.

1366061371049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66919.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 1366061371049 in words is "one trillion, three hundred sixty-six billion, sixty-one million, three hundred seventy-one thousand, forty-nine".