161735088131 has 2 divisors, whose sum is σ = 161735088132. Its totient is φ = 161735088130.

The previous prime is 161735088103. The next prime is 161735088173. The reversal of 161735088131 is 131880537161.

It is a weak prime.

It is an emirp because it is prime and its reverse (131880537161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161735088131 - 2³⁴ = 144555218947 is a prime.

It is a super-2 number, since 2×161735088131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (161735088101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80867544065 + 80867544066.

It is an arithmetic number, because the mean of its divisors is an integer number (80867544066).

Almost surely, 2^161735088131 is an apocalyptic number.

161735088131 is a deficient number, since it is larger than the sum of its proper divisors (1).

161735088131 is an equidigital number, since it uses as much as digits as its factorization.

161735088131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 161735088131 in words is "one hundred sixty-one billion, seven hundred thirty-five million, eighty-eight thousand, one hundred thirty-one".