1016611665056 has 48 divisors (see below), whose sum is σ = 2155787649288. Its totient is φ = 469123660800.

The previous prime is 1016611665029. The next prime is 1016611665079. The reversal of 1016611665056 is 6505661166101.

1016611665056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 849870109456 + 166741555600 = 921884^2 + 408340^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1016611664998 and 1016611665016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2211626 + ... + 2631446.

Almost surely, 2^{1016611665056} is an apocalyptic number.

1016611665056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1016611665056 is an abundant number, since it is smaller than the sum of its proper divisors (1139175984232).

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

1016611665056 is a wasteful number, since it uses less digits than its factorization.

1016611665056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425665 (or 425657 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 1016611665056 in words is "one trillion, sixteen billion, six hundred eleven million, six hundred sixty-five thousand, fifty-six".