1158698016 has 144 divisors (see below), whose sum is σ = 3895819200. Its totient is φ = 319624704.

The previous prime is 1158697963. The next prime is 1158698029. The reversal of 1158698016 is 6108968511.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48555 + ... + 68373.

It is an arithmetic number, because the mean of its divisors is an integer number (27054300).

Almost surely, 2^1158698016 is an apocalyptic number.

1158698016 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 1158698016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1947909600).

1158698016 is an abundant number, since it is smaller than the sum of its proper divisors (2737121184).

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

1158698016 is a wasteful number, since it uses less digits than its factorization.

1158698016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19871 (or 19860 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 1158698016 is about 34039.6535822561. The cubic root of 1158698016 is about 1050.3243188633.

The spelling of 1158698016 in words is "one billion, one hundred fifty-eight million, six hundred ninety-eight thousand, sixteen".