1167996544 has 96 divisors (see below), whose sum is σ = 2754847620. Its totient is φ = 489984000.

The previous prime is 1167996541. The next prime is 1167996551. The reversal of 1167996544 is 4456997611.

It can be written as a sum of positive squares in 2 ways, for example, as 1147854400 + 20142144 = 33880^2 + 4488^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 1167996491 and 1167996500.

It is not an unprimeable number, because it can be changed into a prime (1167996541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198444 + ... + 204244.

Almost surely, 2^1167996544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1167996544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1377423810).

1167996544 is an abundant number, since it is smaller than the sum of its proper divisors (1586851076).

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

1167996544 is a wasteful number, since it uses less digits than its factorization.

1167996544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850 (or 5827 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 1167996544 is about 34175.9644194571. The cubic root of 1167996544 is about 1053.1264469322.

The spelling of 1167996544 in words is "one billion, one hundred sixty-seven million, nine hundred ninety-six thousand, five hundred forty-four".