1163097261636 has 12 divisors (see below), whose sum is σ = 2713893610512. Its totient is φ = 387699087208.

The previous prime is 1163097261583. The next prime is 1163097261659. The reversal of 1163097261636 is 6361627903611.

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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48462385890 + ... + 48462385913.

It is an arithmetic number, because the mean of its divisors is an integer number (226157800876).

Almost surely, 2^{1163097261636} is an apocalyptic number.

It is an amenable number.

1163097261636 is an abundant number, since it is smaller than the sum of its proper divisors (1550796348876).

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

1163097261636 is a wasteful number, since it uses less digits than its factorization.

1163097261636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96924771810 (or 96924771808 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 1163097261636 in words is "one trillion, one hundred sixty-three billion, ninety-seven million, two hundred sixty-one thousand, six hundred thirty-six".