166632315043 has 2 divisors, whose sum is σ = 166632315044. Its totient is φ = 166632315042.

The previous prime is 166632315019. The next prime is 166632315053. The reversal of 166632315043 is 340513236661.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166632315043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166632314987 and 166632315005.

It is not a weakly prime, because it can be changed into another prime (166632315053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83316157521 + 83316157522.

It is an arithmetic number, because the mean of its divisors is an integer number (83316157522).

Almost surely, 2^166632315043 is an apocalyptic number.

166632315043 is a deficient number, since it is larger than the sum of its proper divisors (1).

166632315043 is an equidigital number, since it uses as much as digits as its factorization.

166632315043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 166632315043 in words is "one hundred sixty-six billion, six hundred thirty-two million, three hundred fifteen thousand, forty-three".