161411031060400 has 480 divisors, whose sum is σ = 434616025669056. Its totient is φ = 57111091200000.

The previous prime is 161411031060347. The next prime is 161411031060413. The reversal of 161411031060400 is 4060130114161.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45894519442 + ... + 45894522958.

Almost surely, 2^{161411031060400} is an apocalyptic number.

161411031060400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161411031060400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217308012834528).

161411031060400 is an abundant number, since it is smaller than the sum of its proper divisors (273204994608656).

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

161411031060400 is a wasteful number, since it uses less digits than its factorization.

161411031060400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5401 (or 5390 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 161411031060400 its reverse (4060130114161), we get a palindrome (165471161174561).

The spelling of 161411031060400 in words is "one hundred sixty-one trillion, four hundred eleven billion, thirty-one million, sixty thousand, four hundred".