162401693137 has 2 divisors, whose sum is σ = 162401693138. Its totient is φ = 162401693136.

The previous prime is 162401693119. The next prime is 162401693231. The reversal of 162401693137 is 731396104261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116684411281 + 45717281856 = 341591^2 + 213816^2 .

It is a cyclic number.

It is not a de Polignac number, because 162401693137 - 2⁷ = 162401693009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162401693093 and 162401693102.

It is not a weakly prime, because it can be changed into another prime (162401793137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81200846568 + 81200846569.

It is an arithmetic number, because the mean of its divisors is an integer number (81200846569).

Almost surely, 2^162401693137 is an apocalyptic number.

It is an amenable number.

162401693137 is a deficient number, since it is larger than the sum of its proper divisors (1).

162401693137 is an equidigital number, since it uses as much as digits as its factorization.

162401693137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

Adding to 162401693137 its reverse (731396104261), we get a palindrome (893797797398).

The spelling of 162401693137 in words is "one hundred sixty-two billion, four hundred one million, six hundred ninety-three thousand, one hundred thirty-seven".