161411455446420 has 48 divisors (see below), whose sum is σ = 451972922506560. Its totient is φ = 43041069332736.

The previous prime is 161411455446413. The next prime is 161411455446427. The reversal of 161411455446420 is 24644554114161.

161411455446420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (161411455446413) and next prime (161411455446427).

It is a self number, because there is not a number n which added to its sum of digits gives 161411455446420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161411455446427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60733585 + ... + 63335544.

It is an arithmetic number, because the mean of its divisors is an integer number (9416102552220).

Almost surely, 2^{161411455446420} is an apocalyptic number.

161411455446420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161411455446420 is an abundant number, since it is smaller than the sum of its proper divisors (290561467060140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161411455446420 is a wasteful number, since it uses less digits than its factorization.

161411455446420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124090824 (or 124090822 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 161411455446420 in words is "one hundred sixty-one trillion, four hundred eleven billion, four hundred fifty-five million, four hundred forty-six thousand, four hundred twenty".