1356054453666 has 24 divisors (see below), whose sum is σ = 3205219618224. Its totient is φ = 410925591960.

The previous prime is 1356054453659. The next prime is 1356054453679. The reversal of 1356054453666 is 6663544506531.

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 11 ways as a sum of consecutive naturals, for example, 3424379736 + ... + 3424380131.

It is an arithmetic number, because the mean of its divisors is an integer number (133550817426).

Almost surely, 2^{1356054453666} is an apocalyptic number.

1356054453666 is an abundant number, since it is smaller than the sum of its proper divisors (1849165164558).

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

1356054453666 is a wasteful number, since it uses less digits than its factorization.

1356054453666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6848759886 (or 6848759883 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 54.

The spelling of 1356054453666 in words is "one trillion, three hundred fifty-six billion, fifty-four million, four hundred fifty-three thousand, six hundred sixty-six".