161124521627 has 2 divisors, whose sum is σ = 161124521628. Its totient is φ = 161124521626.

The previous prime is 161124521611. The next prime is 161124521659. The reversal of 161124521627 is 726125421161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161124521627 - 2⁴ = 161124521611 is a prime.

It is a super-2 number, since 2×161124521627² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (161124521827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80562260813 + 80562260814.

It is an arithmetic number, because the mean of its divisors is an integer number (80562260814).

Almost surely, 2^161124521627 is an apocalyptic number.

161124521627 is a deficient number, since it is larger than the sum of its proper divisors (1).

161124521627 is an equidigital number, since it uses as much as digits as its factorization.

161124521627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

Adding to 161124521627 its reverse (726125421161), we get a palindrome (887249942788).

The spelling of 161124521627 in words is "one hundred sixty-one billion, one hundred twenty-four million, five hundred twenty-one thousand, six hundred twenty-seven".