1366928801 has 16 divisors (see below), whose sum is σ = 1642595328. Its totient is φ = 1112139600.

The previous prime is 1366928789. The next prime is 1366928819. The reversal of 1366928801 is 1088296631.

It is a cyclic number.

It is not a de Polignac number, because 1366928801 - 2⁶ = 1366928737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1366928201) 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, 11315 + ... + 53496.

It is an arithmetic number, because the mean of its divisors is an integer number (102662208).

Almost surely, 2^1366928801 is an apocalyptic number.

It is an amenable number.

1366928801 is a deficient number, since it is larger than the sum of its proper divisors (275666527).

1366928801 is a wasteful number, since it uses less digits than its factorization.

1366928801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64972.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 1366928801 is about 36972.0002299037. Note that the first 3 decimals coincide. The cubic root of 1366928801 is about 1109.8099939903.

The spelling of 1366928801 in words is "one billion, three hundred sixty-six million, nine hundred twenty-eight thousand, eight hundred one".