1603613001366 has 12 divisors (see below), whose sum is σ = 3474494836332. Its totient is φ = 534537667116.

The previous prime is 1603613001323. The next prime is 1603613001383. The reversal of 1603613001366 is 6631003163061.

1603613001366 is a `hidden beast` number, since 1 + 6 + 0 + 3 + 613 + 0 + 0 + 1 + 36 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1603613001366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44544805576 + ... + 44544805611.

It is an arithmetic number, because the mean of its divisors is an integer number (289541236361).

Almost surely, 2^{1603613001366} is an apocalyptic number.

1603613001366 is an abundant number, since it is smaller than the sum of its proper divisors (1870881834966).

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

1603613001366 is a wasteful number, since it uses less digits than its factorization.

1603613001366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89089611195 (or 89089611192 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The spelling of 1603613001366 in words is "one trillion, six hundred three billion, six hundred thirteen million, one thousand, three hundred sixty-six".