1158421648 has 20 divisors (see below), whose sum is σ = 2246427648. Its totient is φ = 578698400.

The previous prime is 1158421639. The next prime is 1158421679. The reversal of 1158421648 is 8461248511.

It is a self number, because there is not a number n which added to its sum of digits gives 1158421648.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13036 + ... + 49867.

Almost surely, 2^1158421648 is an apocalyptic number.

It is an amenable number.

1158421648 is a deficient number, since it is larger than the sum of its proper divisors (1088006000).

1158421648 is a wasteful number, since it uses less digits than its factorization.

1158421648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64062 (or 64056 counting only the distinct ones).

The product of its digits is 61440, while the sum is 40.

The square root of 1158421648 is about 34035.5938393911. The cubic root of 1158421648 is about 1050.2408058429.

The spelling of 1158421648 in words is "one billion, one hundred fifty-eight million, four hundred twenty-one thousand, six hundred forty-eight".