1158162946 has 16 divisors (see below), whose sum is σ = 1781360064. Its totient is φ = 564432624.

The previous prime is 1158162931. The next prime is 1158162947. The reversal of 1158162946 is 6492618511.

It is a Harshad number since it is a multiple of its sum of digits (43).

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 7 ways as a sum of consecutive naturals, for example, 28056 + ... + 55708.

It is an arithmetic number, because the mean of its divisors is an integer number (111335004).

Almost surely, 2^1158162946 is an apocalyptic number.

1158162946 is a deficient number, since it is larger than the sum of its proper divisors (623197118).

1158162946 is a wasteful number, since it uses less digits than its factorization.

1158162946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28185.

The product of its digits is 103680, while the sum is 43.

The square root of 1158162946 is about 34031.7931646277. The cubic root of 1158162946 is about 1050.1626191063.

The spelling of 1158162946 in words is "one billion, one hundred fifty-eight million, one hundred sixty-two thousand, nine hundred forty-six".