1065688822920 has 32 divisors (see below), whose sum is σ = 3197066469120. Its totient is φ = 284183686080.

The previous prime is 1065688822879. The next prime is 1065688822931. The reversal of 1065688822920 is 292288865601.

It is a happy number.

It is a super-2 number, since 2×1065688822920² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4440369976 + ... + 4440370215.

It is an arithmetic number, because the mean of its divisors is an integer number (99908327160).

Almost surely, 2^{1065688822920} is an apocalyptic number.

1065688822920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1065688822920 is an abundant number, since it is smaller than the sum of its proper divisors (2131377646200).

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

1065688822920 is a wasteful number, since it uses less digits than its factorization.

1065688822920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8880740205 (or 8880740201 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 57.

The spelling of 1065688822920 in words is "one trillion, sixty-five billion, six hundred eighty-eight million, eight hundred twenty-two thousand, nine hundred twenty".