1366885523007 has 16 divisors (see below), whose sum is σ = 2025033590880. Its totient is φ = 911248914816.

The previous prime is 1366885522963. The next prime is 1366885523089. The reversal of 1366885523007 is 7003255886631.

1366885523007 is a `hidden beast` number, since 1 + 3 + 6 + 6 + 88 + 552 + 3 + 0 + 0 + 7 = 666.

It is not a de Polignac number, because 1366885523007 - 2⁶ = 1366885522943 is a prime.

It is a super-2 number, since 2×1366885523007² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366885523207) 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, 5893543 + ... + 6121079.

It is an arithmetic number, because the mean of its divisors is an integer number (126564599430).

Almost surely, 2^{1366885523007} is an apocalyptic number.

1366885523007 is a deficient number, since it is larger than the sum of its proper divisors (658148067873).

1366885523007 is a wasteful number, since it uses less digits than its factorization.

1366885523007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450039 (or 450033 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 1366885523007 in words is "one trillion, three hundred sixty-six billion, eight hundred eighty-five million, five hundred twenty-three thousand, seven".