27663001356 has 12 divisors (see below), whose sum is σ = 64547003192. Its totient is φ = 9221000448.

The previous prime is 27663001297. The next prime is 27663001367. The reversal of 27663001356 is 65310036672.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1152625045 + ... + 1152625068.

Almost surely, 2^27663001356 is an apocalyptic number.

It is an amenable number.

27663001356 is an abundant number, since it is smaller than the sum of its proper divisors (36884001836).

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

27663001356 is a wasteful number, since it uses less digits than its factorization.

27663001356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305250120 (or 2305250118 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The spelling of 27663001356 in words is "twenty-seven billion, six hundred sixty-three million, one thousand, three hundred fifty-six".