1158162976 has 72 divisors (see below), whose sum is σ = 2461584384. Its totient is φ = 535793280.

The previous prime is 1158162947. The next prime is 1158162977. The reversal of 1158162976 is 6792618511.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158162977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 523665 + ... + 525871.

It is an arithmetic number, because the mean of its divisors is an integer number (34188672).

Almost surely, 2^1158162976 is an apocalyptic number.

1158162976 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 1158162976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230792192).

1158162976 is an abundant number, since it is smaller than the sum of its proper divisors (1303421408).

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

1158162976 is a wasteful number, since it uses less digits than its factorization.

1158162976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294 (or 2263 counting only the distinct ones).

The product of its digits is 181440, while the sum is 46.

The square root of 1158162976 is about 34031.7936053920. The cubic root of 1158162976 is about 1050.1626281738.

The spelling of 1158162976 in words is "one billion, one hundred fifty-eight million, one hundred sixty-two thousand, nine hundred seventy-six".