1016213066577 has 6 divisors (see below), whose sum is σ = 1467863318402. Its totient is φ = 677475377712.

The previous prime is 1016213066551. The next prime is 1016213066633. The reversal of 1016213066577 is 7756603126101.

1016213066577 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 2 + 13 + 0 + 66 + 577 = 666.

It can be written as a sum of positive squares in only one way, i.e., 689230379601 + 326982686976 = 830199^2 + 571824^2 .

It is not a de Polignac number, because 1016213066577 - 2⁶ = 1016213066513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016213066507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56456281468 + ... + 56456281485.

Almost surely, 2^{1016213066577} is an apocalyptic number.

It is an amenable number.

1016213066577 is a deficient number, since it is larger than the sum of its proper divisors (451650251825).

1016213066577 is a wasteful number, since it uses less digits than its factorization.

1016213066577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112912562959 (or 112912562956 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The spelling of 1016213066577 in words is "one trillion, sixteen billion, two hundred thirteen million, sixty-six thousand, five hundred seventy-seven".