1065091657208 has 16 divisors (see below), whose sum is σ = 2114520202080. Its totient is φ = 501219603328.

The previous prime is 1065091657169. The next prime is 1065091657213. The reversal of 1065091657208 is 8027561905601.

It is a super-2 number, since 2×1065091657208² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3915778016 + ... + 3915778287.

It is an arithmetic number, because the mean of its divisors is an integer number (132157512630).

Almost surely, 2^{1065091657208} is an apocalyptic number.

It is an amenable number.

1065091657208 is a deficient number, since it is larger than the sum of its proper divisors (1049428544872).

1065091657208 is a wasteful number, since it uses less digits than its factorization.

1065091657208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7831556326 (or 7831556322 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 50.

The spelling of 1065091657208 in words is "one trillion, sixty-five billion, ninety-one million, six hundred fifty-seven thousand, two hundred eight".