1056665215662 has 48 divisors (see below), whose sum is σ = 2458460529360. Its totient is φ = 301892489472.

The previous prime is 1056665215651. The next prime is 1056665215687. The reversal of 1056665215662 is 2665125666501.

1056665215662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1056665215662² (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 23 ways as a sum of consecutive naturals, for example, 9744808 + ... + 9852644.

It is an arithmetic number, because the mean of its divisors is an integer number (51217927695).

Almost surely, 2^{1056665215662} is an apocalyptic number.

1056665215662 is an abundant number, since it is smaller than the sum of its proper divisors (1401795313698).

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

1056665215662 is a wasteful number, since it uses less digits than its factorization.

1056665215662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141185 (or 141178 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 1056665215662 in words is "one trillion, fifty-six billion, six hundred sixty-five million, two hundred fifteen thousand, six hundred sixty-two".