160421785424438 has 8 divisors (see below), whose sum is σ = 241175867027688. Its totient is φ = 80029829748544.

The previous prime is 160421785424377. The next prime is 160421785424443. The reversal of 160421785424438 is 834424587124061.

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

It is a super-3 number, since 3×160421785424438³ (a number of 44 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90531480731 + ... + 90531482502.

It is an arithmetic number, because the mean of its divisors is an integer number (30146983378461).

Almost surely, 2^{160421785424438} is an apocalyptic number.

160421785424438 is a deficient number, since it is larger than the sum of its proper divisors (80754081603250).

160421785424438 is a wasteful number, since it uses less digits than its factorization.

160421785424438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181062963678.

The product of its (nonzero) digits is 41287680, while the sum is 59.

The spelling of 160421785424438 in words is "one hundred sixty trillion, four hundred twenty-one billion, seven hundred eighty-five million, four hundred twenty-four thousand, four hundred thirty-eight".