1383592166081 has 4 divisors (see below), whose sum is σ = 1384763710164. Its totient is φ = 1382420622000.

The previous prime is 1383592166057. The next prime is 1383592166107. The reversal of 1383592166081 is 1806612953831.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1052760133681 + 330832032400 = 1026041^2 + 575180^2 .

It is a cyclic number.

It is not a de Polignac number, because 1383592166081 - 2⁶ = 1383592166017 is a prime.

It is a super-2 number, since 2×1383592166081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383592136081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585770270 + ... + 585772631.

It is an arithmetic number, because the mean of its divisors is an integer number (346190927541).

Almost surely, 2^{1383592166081} is an apocalyptic number.

It is an amenable number.

1383592166081 is a deficient number, since it is larger than the sum of its proper divisors (1171544083).

1383592166081 is a wasteful number, since it uses less digits than its factorization.

1383592166081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171544082.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 1383592166081 in words is "one trillion, three hundred eighty-three billion, five hundred ninety-two million, one hundred sixty-six thousand, eighty-one".