161900004596 has 24 divisors (see below), whose sum is σ = 314148747360. Its totient is φ = 72384501600.

The previous prime is 161900004589. The next prime is 161900004599. The reversal of 161900004596 is 695400009161.

161900004596 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161900004596² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161900004599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30157526 + ... + 30162893.

It is an arithmetic number, because the mean of its divisors is an integer number (13089531140).

Almost surely, 2^161900004596 is an apocalyptic number.

It is an amenable number.

161900004596 is a deficient number, since it is larger than the sum of its proper divisors (152248742764).

161900004596 is a wasteful number, since it uses less digits than its factorization.

161900004596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60320495 (or 60320493 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 161900004596 in words is "one hundred sixty-one billion, nine hundred million, four thousand, five hundred ninety-six".