162426917131 has 2 divisors, whose sum is σ = 162426917132. Its totient is φ = 162426917130.

The previous prime is 162426917119. The next prime is 162426917137. The reversal of 162426917131 is 131719624261.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 162426917131 - 2¹¹ = 162426915083 is a prime.

It is a super-2 number, since 2×162426917131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (162426917137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81213458565 + 81213458566.

It is an arithmetic number, because the mean of its divisors is an integer number (81213458566).

Almost surely, 2^162426917131 is an apocalyptic number.

162426917131 is a deficient number, since it is larger than the sum of its proper divisors (1).

162426917131 is an equidigital number, since it uses as much as digits as its factorization.

162426917131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The spelling of 162426917131 in words is "one hundred sixty-two billion, four hundred twenty-six million, nine hundred seventeen thousand, one hundred thirty-one".