1606213517011 has 2 divisors, whose sum is σ = 1606213517012. Its totient is φ = 1606213517010.

The previous prime is 1606213516951. The next prime is 1606213517017. The reversal of 1606213517011 is 1107153126061.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1606213517011 - 2¹³ = 1606213508819 is a prime.

It is a super-3 number, since 3×1606213517011³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1606213517017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803106758505 + 803106758506.

It is an arithmetic number, because the mean of its divisors is an integer number (803106758506).

Almost surely, 2^{1606213517011} is an apocalyptic number.

1606213517011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606213517011 is an equidigital number, since it uses as much as digits as its factorization.

1606213517011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 1606213517011 in words is "one trillion, six hundred six billion, two hundred thirteen million, five hundred seventeen thousand, eleven".