161404204263030 has 24 divisors (see below), whose sum is σ = 419650931084112. Its totient is φ = 43041121136784.

The previous prime is 161404204263013. The next prime is 161404204263031. The reversal of 161404204263030 is 30362402404161.

161404204263030 is a `hidden beast` number, since 1 + 6 + 14 + 0 + 4 + 2 + 0 + 4 + 2 + 630 + 3 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161404204263031) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 896690023594 + ... + 896690023773.

It is an arithmetic number, because the mean of its divisors is an integer number (17485455461838).

Almost surely, 2^{161404204263030} is an apocalyptic number.

161404204263030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161404204263030 is an abundant number, since it is smaller than the sum of its proper divisors (258246726821082).

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

161404204263030 is a wasteful number, since it uses less digits than its factorization.

161404204263030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793380047380 (or 1793380047377 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 161404204263030 its reverse (30362402404161), we get a palindrome (191766606667191).

The spelling of 161404204263030 in words is "one hundred sixty-one trillion, four hundred four billion, two hundred four million, two hundred sixty-three thousand, thirty".