1366792471801 has 9 divisors (see below), whose sum is σ = 1369391633103. Its totient is φ = 1364198241120.

The previous prime is 1366792471753. The next prime is 1366792471817. The reversal of 1366792471801 is 1081742976631.

The square root of 1366792471801 is 1169099.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 232226646201 + 1134565825600 = 481899^2 + 1065160^2 .

It is not a de Polignac number, because 1366792471801 - 2¹¹ = 1366792469753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1366792571801) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1004255361 + ... + 1004256721.

Almost surely, 2^{1366792471801} is an apocalyptic number.

1366792471801 is the 1169099-th square number.

1366792471801 is the 584550-th centered octagonal number.

It is an amenable number.

1366792471801 is a deficient number, since it is larger than the sum of its proper divisors (2599161302).

1366792471801 is an frugal number, since it uses more digits than its factorization.

1366792471801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440 (or 2220 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 1366792471801 in words is "one trillion, three hundred sixty-six billion, seven hundred ninety-two million, four hundred seventy-one thousand, eight hundred one".