402132233161 has 2 divisors, whose sum is σ = 402132233162. Its totient is φ = 402132233160.

The previous prime is 402132233123. The next prime is 402132233171. The reversal of 402132233161 is 161332231204.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 402043496761 + 88736400 = 634069^2 + 9420^2 .

It is a cyclic number.

It is not a de Polignac number, because 402132233161 - 2¹¹ = 402132231113 is a prime.

It is not a weakly prime, because it can be changed into another prime (402132233101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201066116580 + 201066116581.

It is an arithmetic number, because the mean of its divisors is an integer number (201066116581).

Almost surely, 2^402132233161 is an apocalyptic number.

It is an amenable number.

402132233161 is a deficient number, since it is larger than the sum of its proper divisors (1).

402132233161 is an equidigital number, since it uses as much as digits as its factorization.

402132233161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 402132233161 its reverse (161332231204), we get a palindrome (563464464365).

The spelling of 402132233161 in words is "four hundred two billion, one hundred thirty-two million, two hundred thirty-three thousand, one hundred sixty-one".