1170281421656 has 16 divisors (see below), whose sum is σ = 2194336629600. Its totient is φ = 585124987104.

The previous prime is 1170281421641. The next prime is 1170281421667. The reversal of 1170281421656 is 6561241820711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1646096 + ... + 2247263.

It is an arithmetic number, because the mean of its divisors is an integer number (137146039350).

Almost surely, 2^{1170281421656} is an apocalyptic number.

It is an amenable number.

1170281421656 is a deficient number, since it is larger than the sum of its proper divisors (1024055207944).

1170281421656 is a wasteful number, since it uses less digits than its factorization.

1170281421656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3930938 (or 3930934 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 1170281421656 in words is "one trillion, one hundred seventy billion, two hundred eighty-one million, four hundred twenty-one thousand, six hundred fifty-six".