1167728908380 has 48 divisors (see below), whose sum is σ = 3270114802080. Its totient is φ = 311349246208.

The previous prime is 1167728908309. The next prime is 1167728908387. The reversal of 1167728908380 is 838098277611.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1167728908387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991815 + ... + 1821854.

It is an arithmetic number, because the mean of its divisors is an integer number (68127391710).

Almost surely, 2^{1167728908380} is an apocalyptic number.

1167728908380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1167728908380 is an abundant number, since it is smaller than the sum of its proper divisors (2102385893700).

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

1167728908380 is a wasteful number, since it uses less digits than its factorization.

1167728908380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820598 (or 2820596 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 60.

The spelling of 1167728908380 in words is "one trillion, one hundred sixty-seven billion, seven hundred twenty-eight million, nine hundred eight thousand, three hundred eighty".