1167250816 has 16 divisors (see below), whose sum is σ = 2325382740. Its totient is φ = 583625344.

The previous prime is 1167250793. The next prime is 1167250817. The reversal of 1167250816 is 6180527611.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167250817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4559446 + ... + 4559701.

Almost surely, 2^1167250816 is an apocalyptic number.

1167250816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1167250816 is a deficient number, since it is larger than the sum of its proper divisors (1158131924).

1167250816 is an frugal number, since it uses more digits than its factorization.

1167250816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9119161 (or 9119149 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1167250816 is about 34165.0525537427. The cubic root of 1167250816 is about 1052.9022701622.

The spelling of 1167250816 in words is "one billion, one hundred sixty-seven million, two hundred fifty thousand, eight hundred sixteen".