1366880157834 has 16 divisors (see below), whose sum is σ = 2828027913120. Its totient is φ = 439915453040.

The previous prime is 1366880157767. The next prime is 1366880157857. The reversal of 1366880157834 is 4387510886631.

It is a super-2 number, since 2×1366880157834² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3927816372 + ... + 3927816719.

It is an arithmetic number, because the mean of its divisors is an integer number (176751744570).

Almost surely, 2^{1366880157834} is an apocalyptic number.

1366880157834 is an abundant number, since it is smaller than the sum of its proper divisors (1461147755286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1366880157834 is a wasteful number, since it uses less digits than its factorization.

1366880157834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7855633125.

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 1366880157834 in words is "one trillion, three hundred sixty-six billion, eight hundred eighty million, one hundred fifty-seven thousand, eight hundred thirty-four".