161110432598 has 8 divisors (see below), whose sum is σ = 244058378400. Its totient is φ = 79757639800.

The previous prime is 161110432513. The next prime is 161110432601. The reversal of 161110432598 is 895234011161.

It is a happy number.

161110432598 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×161110432598³ (a number of 35 digits) contains 333 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398787998 + ... + 398788401.

It is an arithmetic number, because the mean of its divisors is an integer number (30507297300).

Almost surely, 2^161110432598 is an apocalyptic number.

161110432598 is a deficient number, since it is larger than the sum of its proper divisors (82947945802).

161110432598 is a wasteful number, since it uses less digits than its factorization.

161110432598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797576502.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 161110432598 in words is "one hundred sixty-one billion, one hundred ten million, four hundred thirty-two thousand, five hundred ninety-eight".