161608824024 has 32 divisors (see below), whose sum is σ = 410645376240. Its totient is φ = 52986499200.

The previous prime is 161608823989. The next prime is 161608824071. The reversal of 161608824024 is 420428806161.

It is a super-2 number, since 2×161608824024² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 55192807 + ... + 55195734.

Almost surely, 2^161608824024 is an apocalyptic number.

It is an amenable number.

161608824024 is an abundant number, since it is smaller than the sum of its proper divisors (249036552216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161608824024 is a wasteful number, since it uses less digits than its factorization.

161608824024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110388611 (or 110388607 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 161608824024 in words is "one hundred sixty-one billion, six hundred eight million, eight hundred twenty-four thousand, twenty-four".