1158162948 has 30 divisors (see below), whose sum is σ = 3027667566. Its totient is φ = 386054208.

The previous prime is 1158162947. The next prime is 1158162977. The reversal of 1158162948 is 8492618511.

It is a happy number.

1158162948 is a `hidden beast` number, since 1 + 1 + 581 + 6 + 29 + 48 = 666.

It can be written as a sum of positive squares in only one way, i.e., 607228164 + 550934784 = 24642^2 + 23472^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158162947) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1786965 + ... + 1787612.

Almost surely, 2^1158162948 is an apocalyptic number.

1158162948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1158162948 is an abundant number, since it is smaller than the sum of its proper divisors (1869504618).

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

1158162948 is a wasteful number, since it uses less digits than its factorization.

1158162948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574593 (or 3574582 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 1158162948 is about 34031.7931940120. The cubic root of 1158162948 is about 1050.1626197108.

It can be divided in two parts, 11581 and 62948, that added together give a square (74529 = 273²).

The spelling of 1158162948 in words is "one billion, one hundred fifty-eight million, one hundred sixty-two thousand, nine hundred forty-eight".