1043605116 has 18 divisors (see below), whose sum is σ = 2638001912. Its totient is φ = 347868360.

The previous prime is 1043605109. The next prime is 1043605127. The reversal of 1043605116 is 6115063401.

1043605116 is a `hidden beast` number, since 1 + 0 + 43 + 605 + 1 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1043605116² = 2178223276282746912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1043605116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14494480 + ... + 14494551.

Almost surely, 2^1043605116 is an apocalyptic number.

It is an amenable number.

1043605116 is an abundant number, since it is smaller than the sum of its proper divisors (1594396796).

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

1043605116 is a wasteful number, since it uses less digits than its factorization.

1043605116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28989041 (or 28989036 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1043605116 is about 32304.8775883767. The cubic root of 1043605116 is about 1014.3287451048.

Adding to 1043605116 its reverse (6115063401), we get a palindrome (7158668517).

The spelling of 1043605116 in words is "one billion, forty-three million, six hundred five thousand, one hundred sixteen".