1056220739662 has 24 divisors (see below), whose sum is σ = 1757730178008. Its totient is φ = 475613405520.

The previous prime is 1056220739659. The next prime is 1056220739663. The reversal of 1056220739662 is 2669370226501.

It is a super-2 number, since 2×1056220739662² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056220739663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20369193 + ... + 20420980.

It is an arithmetic number, because the mean of its divisors is an integer number (73238757417).

Almost surely, 2^{1056220739662} is an apocalyptic number.

1056220739662 is a deficient number, since it is larger than the sum of its proper divisors (701509438346).

1056220739662 is a wasteful number, since it uses less digits than its factorization.

1056220739662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40790304 (or 40790293 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 1056220739662 in words is "one trillion, fifty-six billion, two hundred twenty million, seven hundred thirty-nine thousand, six hundred sixty-two".