1056330887646 has 64 divisors (see below), whose sum is σ = 2271042385920. Its totient is φ = 326355832320.

The previous prime is 1056330887639. The next prime is 1056330887693. The reversal of 1056330887646 is 6467880336501.

It is a super-2 number, since 2×1056330887646² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6268075 + ... + 6434393.

It is an arithmetic number, because the mean of its divisors is an integer number (35485037280).

Almost surely, 2^{1056330887646} is an apocalyptic number.

1056330887646 is an abundant number, since it is smaller than the sum of its proper divisors (1214711498274).

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

1056330887646 is a wasteful number, since it uses less digits than its factorization.

1056330887646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167289.

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 1056330887646 in words is "one trillion, fifty-six billion, three hundred thirty million, eight hundred eighty-seven thousand, six hundred forty-six".