1366551602101 has 16 divisors (see below), whose sum is σ = 1566234170496. Its totient is φ = 1167988663296.

The previous prime is 1366551602083. The next prime is 1366551602161. The reversal of 1366551602101 is 1012061556631.

It is not a de Polignac number, because 1366551602101 - 2⁷ = 1366551601973 is a prime.

It is a super-2 number, since 2×1366551602101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1366551602161) 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, 3558285 + ... + 3923581.

It is an arithmetic number, because the mean of its divisors is an integer number (97889635656).

Almost surely, 2^{1366551602101} is an apocalyptic number.

It is an amenable number.

1366551602101 is a deficient number, since it is larger than the sum of its proper divisors (199682568395).

1366551602101 is an equidigital number, since it uses as much as digits as its factorization.

1366551602101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366828.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 1366551602101 in words is "one trillion, three hundred sixty-six billion, five hundred fifty-one million, six hundred two thousand, one hundred one".