1163901952773 has 72 divisors (see below), whose sum is σ = 2019274273536. Its totient is φ = 643467888000.

The previous prime is 1163901952751. The next prime is 1163901952817. The reversal of 1163901952773 is 3772591093611.

1163901952773 is a `hidden beast` number, since 1 + 1 + 6 + 39 + 0 + 19 + 527 + 73 = 666.

It is not a de Polignac number, because 1163901952773 - 2¹⁸ = 1163901690629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163901952723) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 69891498 + ... + 69908148.

Almost surely, 2^{1163901952773} is an apocalyptic number.

It is an amenable number.

1163901952773 is a deficient number, since it is larger than the sum of its proper divisors (855372320763).

1163901952773 is a wasteful number, since it uses less digits than its factorization.

1163901952773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21815 (or 21805 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The spelling of 1163901952773 in words is "one trillion, one hundred sixty-three billion, nine hundred one million, nine hundred fifty-two thousand, seven hundred seventy-three".