163530254034556 has 6 divisors (see below), whose sum is σ = 286177944560480. Its totient is φ = 81765127017276.

The previous prime is 163530254034493. The next prime is 163530254034583. The reversal of 163530254034556 is 655430452035361.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20441281754316 + ... + 20441281754323.

Almost surely, 2^{163530254034556} is an apocalyptic number.

It is an amenable number.

163530254034556 is a deficient number, since it is larger than the sum of its proper divisors (122647690525924).

163530254034556 is a wasteful number, since it uses less digits than its factorization.

163530254034556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40882563508643 (or 40882563508641 counting only the distinct ones).

The product of its (nonzero) digits is 19440000, while the sum is 52.

The spelling of 163530254034556 in words is "one hundred sixty-three trillion, five hundred thirty billion, two hundred fifty-four million, thirty-four thousand, five hundred fifty-six".