1071668025796 has 81 divisors (see below), whose sum is σ = 1978260112143. Its totient is φ = 507958805520.

The previous prime is 1071668025773. The next prime is 1071668025809. The reversal of 1071668025796 is 6975208661701.

The square root of 1071668025796 is 1035214.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1071668025796² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1071668025796.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3786812671 + ... + 3786812953.

Almost surely, 2^{1071668025796} is an apocalyptic number.

1071668025796 is the 1035214-th square number.

It is an amenable number.

1071668025796 is a deficient number, since it is larger than the sum of its proper divisors (906592086347).

1071668025796 is an frugal number, since it uses more digits than its factorization.

1071668025796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750 (or 375 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 58.

The spelling of 1071668025796 in words is "one trillion, seventy-one billion, six hundred sixty-eight million, twenty-five thousand, seven hundred ninety-six".