1366061400607 has 16 divisors (see below), whose sum is σ = 1467158641920. Its totient is φ = 1268107747200.

The previous prime is 1366061400527. The next prime is 1366061400623. The reversal of 1366061400607 is 7060041606631.

It is a cyclic number.

It is not a de Polignac number, because 1366061400607 - 2⁷ = 1366061400479 is a prime.

It is a super-2 number, since 2×1366061400607² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1366061400607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366061400667) 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, 2886394 + ... + 3326167.

It is an arithmetic number, because the mean of its divisors is an integer number (91697415120).

Almost surely, 2^{1366061400607} is an apocalyptic number.

1366061400607 is a deficient number, since it is larger than the sum of its proper divisors (101097241313).

1366061400607 is a wasteful number, since it uses less digits than its factorization.

1366061400607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6212814.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 1366061400607 in words is "one trillion, three hundred sixty-six billion, sixty-one million, four hundred thousand, six hundred seven".