1163522506164 has 48 divisors (see below), whose sum is σ = 2758645135680. Its totient is φ = 381614872320.

The previous prime is 1163522506147. The next prime is 1163522506169. The reversal of 1163522506164 is 4616052253611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163522506169) 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 15 ways as a sum of consecutive naturals, for example, 1217947 + ... + 1952034.

It is an arithmetic number, because the mean of its divisors is an integer number (57471773660).

Almost surely, 2^{1163522506164} is an apocalyptic number.

It is an amenable number.

1163522506164 is an abundant number, since it is smaller than the sum of its proper divisors (1595122629516).

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

1163522506164 is a wasteful number, since it uses less digits than its factorization.

1163522506164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170480 (or 3170478 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

Adding to 1163522506164 its reverse (4616052253611), we get a palindrome (5779574759775).

The spelling of 1163522506164 in words is "one trillion, one hundred sixty-three billion, five hundred twenty-two million, five hundred six thousand, one hundred sixty-four".