166450130611 has 2 divisors, whose sum is σ = 166450130612. Its totient is φ = 166450130610.

The previous prime is 166450130593. The next prime is 166450130621. The reversal of 166450130611 is 116031054661.

It is a strong prime.

It is an emirp because it is prime and its reverse (116031054661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 166450130611 - 2²⁷ = 166315912883 is a prime.

It is not a weakly prime, because it can be changed into another prime (166450130621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83225065305 + 83225065306.

It is an arithmetic number, because the mean of its divisors is an integer number (83225065306).

Almost surely, 2^166450130611 is an apocalyptic number.

166450130611 is a deficient number, since it is larger than the sum of its proper divisors (1).

166450130611 is an equidigital number, since it uses as much as digits as its factorization.

166450130611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 166450130611 in words is "one hundred sixty-six billion, four hundred fifty million, one hundred thirty thousand, six hundred eleven".