161420382485 has 8 divisors (see below), whose sum is σ = 194892830880. Its totient is φ = 128344058064.

The previous prime is 161420382467. The next prime is 161420382491. The reversal of 161420382485 is 584283024161.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161420382485 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99030095 + ... + 99031724.

It is an arithmetic number, because the mean of its divisors is an integer number (24361603860).

Almost surely, 2^161420382485 is an apocalyptic number.

It is an amenable number.

161420382485 is a deficient number, since it is larger than the sum of its proper divisors (33472448395).

161420382485 is a wasteful number, since it uses less digits than its factorization.

161420382485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198061987.

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 161420382485 in words is "one hundred sixty-one billion, four hundred twenty million, three hundred eighty-two thousand, four hundred eighty-five".