161744604952 has 32 divisors (see below), whose sum is σ = 347013770400. Its totient is φ = 69235478784.

The previous prime is 161744604929. The next prime is 161744604991. The reversal of 161744604952 is 259406447161.

161744604952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161744604952² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161744604896 and 161744604905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695613 + ... + 1788460.

It is an arithmetic number, because the mean of its divisors is an integer number (10844180325).

Almost surely, 2^161744604952 is an apocalyptic number.

It is an amenable number.

161744604952 is an abundant number, since it is smaller than the sum of its proper divisors (185269165448).

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

161744604952 is a wasteful number, since it uses less digits than its factorization.

161744604952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484915 (or 3484911 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 161744604952 in words is "one hundred sixty-one billion, seven hundred forty-four million, six hundred four thousand, nine hundred fifty-two".