1179398016 has 128 divisors (see below), whose sum is σ = 3494764800. Its totient is φ = 391564800.

The previous prime is 1179398009. The next prime is 1179398041. The reversal of 1179398016 is 6108939711.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143421 + ... + 1144451.

It is an arithmetic number, because the mean of its divisors is an integer number (27302850).

Almost surely, 2^1179398016 is an apocalyptic number.

1179398016 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 1179398016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1747382400).

1179398016 is an abundant number, since it is smaller than the sum of its proper divisors (2315366784).

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

1179398016 is a wasteful number, since it uses less digits than its factorization.

1179398016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 1179398016 is about 34342.3647409435. The cubic root of 1179398016 is about 1056.5420770596.

The spelling of 1179398016 in words is "one billion, one hundred seventy-nine million, three hundred ninety-eight thousand, sixteen".