1158461516 has 24 divisors (see below), whose sum is σ = 2136413664. Its totient is φ = 548556800.

The previous prime is 1158461509. The next prime is 1158461531. The reversal of 1158461516 is 6151648511.

It is a self number, because there is not a number n which added to its sum of digits gives 1158461516.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53045 + ... + 71628.

It is an arithmetic number, because the mean of its divisors is an integer number (89017236).

Almost surely, 2^1158461516 is an apocalyptic number.

It is an amenable number.

1158461516 is a deficient number, since it is larger than the sum of its proper divisors (977952148).

1158461516 is a wasteful number, since it uses less digits than its factorization.

1158461516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124801 (or 124799 counting only the distinct ones).

The product of its digits is 28800, while the sum is 38.

The square root of 1158461516 is about 34036.1795153334. The cubic root of 1158461516 is about 1050.2528539949.

The spelling of 1158461516 in words is "one billion, one hundred fifty-eight million, four hundred sixty-one thousand, five hundred sixteen".