161130924529 has 16 divisors (see below), whose sum is σ = 170271129600. Its totient is φ = 152240291280.

The previous prime is 161130924527. The next prime is 161130924541. The reversal of 161130924529 is 925429031161.

It is a cyclic number.

It is not a de Polignac number, because 161130924529 - 2¹ = 161130924527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161130924527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3172674 + ... + 3223060.

It is an arithmetic number, because the mean of its divisors is an integer number (10641945600).

Almost surely, 2^161130924529 is an apocalyptic number.

It is an amenable number.

161130924529 is a deficient number, since it is larger than the sum of its proper divisors (9140205071).

161130924529 is a wasteful number, since it uses less digits than its factorization.

161130924529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52860.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 161130924529 in words is "one hundred sixty-one billion, one hundred thirty million, nine hundred twenty-four thousand, five hundred twenty-nine".