1366070765904 has 100 divisors (see below), whose sum is σ = 4257944034036. Its totient is φ = 420329461248.

The previous prime is 1366070765861. The next prime is 1366070765911. The reversal of 1366070765904 is 4095670706631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123024159504 + 1243046606400 = 350748^2 + 1114920^2 .

It is a super-2 number, since 2×1366070765904² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40524189 + ... + 40557884.

Almost surely, 2^{1366070765904} is an apocalyptic number.

It is an amenable number.

1366070765904 is an abundant number, since it is smaller than the sum of its proper divisors (2891873268132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1366070765904 is a wasteful number, since it uses less digits than its factorization.

1366070765904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81082106 (or 81082091 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 1366070765904 in words is "one trillion, three hundred sixty-six billion, seventy million, seven hundred sixty-five thousand, nine hundred four".