1167201776 has 160 divisors (see below), whose sum is σ = 2700952128. Its totient is φ = 483655680.

The previous prime is 1167201719. The next prime is 1167201797. The reversal of 1167201776 is 6771027611.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 12032960 + ... + 12033056.

Almost surely, 2^1167201776 is an apocalyptic number.

1167201776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1167201776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1350476064).

1167201776 is an abundant number, since it is smaller than the sum of its proper divisors (1533750352).

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

1167201776 is a wasteful number, since it uses less digits than its factorization.

1167201776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 38.

The square root of 1167201776 is about 34164.3348537623. The cubic root of 1167201776 is about 1052.8875246737.

The spelling of 1167201776 in words is "one billion, one hundred sixty-seven million, two hundred one thousand, seven hundred seventy-six".