1366551610353 has 12 divisors (see below), whose sum is σ = 1975818744900. Its totient is φ = 910152470016.

The previous prime is 1366551610327. The next prime is 1366551610381. The reversal of 1366551610353 is 3530161556631.

1366551610353 is a `hidden beast` number, since 1 + 3 + 6 + 6 + 551 + 61 + 0 + 35 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1092574739169 + 273976871184 = 1045263^2 + 523428^2 .

It is not a de Polignac number, because 1366551610353 - 2¹³ = 1366551602161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1366551610299 and 1366551610308.

It is not an unprimeable number, because it can be changed into a prime (1366551600353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73484928 + ... + 73503521.

It is an arithmetic number, because the mean of its divisors is an integer number (164651562075).

Almost surely, 2^{1366551610353} is an apocalyptic number.

It is an amenable number.

1366551610353 is a deficient number, since it is larger than the sum of its proper divisors (609267134547).

1366551610353 is a wasteful number, since it uses less digits than its factorization.

1366551610353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146989488 (or 146989485 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 45.

The spelling of 1366551610353 in words is "one trillion, three hundred sixty-six billion, five hundred fifty-one million, six hundred ten thousand, three hundred fifty-three".