161411455446419 has 8 divisors (see below), whose sum is σ = 163388117272320. Its totient is φ = 159446737197000.

The previous prime is 161411455446413. The next prime is 161411455446427. The reversal of 161411455446419 is 914644554114161.

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

It is a cyclic number.

It is not a de Polignac number, because 161411455446419 - 2¹² = 161411455442323 is a prime.

It is a super-2 number, since 2×161411455446419² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161411455446413) 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, 2985866927 + ... + 2985920984.

It is an arithmetic number, because the mean of its divisors is an integer number (20423514659040).

Almost surely, 2^{161411455446419} is an apocalyptic number.

161411455446419 is a deficient number, since it is larger than the sum of its proper divisors (1976661825901).

161411455446419 is a wasteful number, since it uses less digits than its factorization.

161411455446419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5971788241.

The product of its digits is 8294400, while the sum is 56.

The spelling of 161411455446419 in words is "one hundred sixty-one trillion, four hundred eleven billion, four hundred fifty-five million, four hundred forty-six thousand, four hundred nineteen".