1065665976 has 32 divisors (see below), whose sum is σ = 2664998160. Its totient is φ = 355110912.

The previous prime is 1065665957. The next prime is 1065665981. The reversal of 1065665976 is 6795665601.

It is a super-4 number, since 4×1065665976⁴ (a number of 37 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115386 + ... + 124278.

Almost surely, 2^1065665976 is an apocalyptic number.

It is an amenable number.

1065665976 is an abundant number, since it is smaller than the sum of its proper divisors (1599332184).

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

1065665976 is a wasteful number, since it uses less digits than its factorization.

1065665976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13895 (or 13891 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 51.

The square root of 1065665976 is about 32644.5397578217. The cubic root of 1065665976 is about 1021.4262937646.

The spelling of 1065665976 in words is "one billion, sixty-five million, six hundred sixty-five thousand, nine hundred seventy-six".