1026366605554 has 16 divisors (see below), whose sum is σ = 1543853127960. Its totient is φ = 511749210240.

The previous prime is 1026366605491. The next prime is 1026366605581. The reversal of 1026366605554 is 4555066636201.

It can be written as a sum of positive squares in 4 ways, for example, as 843761659225 + 182604946329 = 918565^2 + 427323^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1026366605498 and 1026366605507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6894742 + ... + 7042030.

Almost surely, 2^{1026366605554} is an apocalyptic number.

1026366605554 is a deficient number, since it is larger than the sum of its proper divisors (517486522406).

1026366605554 is a wasteful number, since it uses less digits than its factorization.

1026366605554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157005.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 1026366605554 in words is "one trillion, twenty-six billion, three hundred sixty-six million, six hundred five thousand, five hundred fifty-four".