1065646434164 has 12 divisors (see below), whose sum is σ = 2008333664484. Its totient is φ = 491836815744.

The previous prime is 1065646434133. The next prime is 1065646434179. The reversal of 1065646434164 is 4614346465601.

It can be written as a sum of positive squares in 2 ways, for example, as 100355904100 + 965290530064 = 316790^2 + 982492^2 .

It is a super-2 number, since 2×1065646434164² (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, 10246600277 + ... + 10246600380.

It is an arithmetic number, because the mean of its divisors is an integer number (167361138707).

Almost surely, 2^{1065646434164} is an apocalyptic number.

It is an amenable number.

1065646434164 is a deficient number, since it is larger than the sum of its proper divisors (942687230320).

1065646434164 is a wasteful number, since it uses less digits than its factorization.

1065646434164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20493200674 (or 20493200672 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 50.

The spelling of 1065646434164 in words is "one trillion, sixty-five billion, six hundred forty-six million, four hundred thirty-four thousand, one hundred sixty-four".