1042163556 has 36 divisors (see below), whose sum is σ = 2828731248. Its totient is φ = 297760848.

The previous prime is 1042163519. The next prime is 1042163569. The reversal of 1042163556 is 6553612401.

It is a super-2 number, since 2×1042163556² = 2172209754909130272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 885606 + ... + 886781.

It is an arithmetic number, because the mean of its divisors is an integer number (78575868).

Almost surely, 2^1042163556 is an apocalyptic number.

It is an amenable number.

1042163556 is an abundant number, since it is smaller than the sum of its proper divisors (1786567692).

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

1042163556 is a wasteful number, since it uses less digits than its factorization.

1042163556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772408 (or 1772399 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1042163556 is about 32282.5580770793. The cubic root of 1042163556 is about 1013.8614899759.

Adding to 1042163556 its reverse (6553612401), we get a palindrome (7595775957).

The spelling of 1042163556 in words is "one billion, forty-two million, one hundred sixty-three thousand, five hundred fifty-six".