161301343896 has 160 divisors (see below), whose sum is σ = 563274708480. Its totient is φ = 41896440000.

The previous prime is 161301343837. The next prime is 161301343913. The reversal of 161301343896 is 698343103161.

It is a happy number.

161301343896 is a `hidden beast` number, since 1 + 6 + 130 + 134 + 389 + 6 = 666.

161301343896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1566480 + ... + 1666271.

It is an arithmetic number, because the mean of its divisors is an integer number (3520466928).

Almost surely, 2^161301343896 is an apocalyptic number.

It is an amenable number.

161301343896 is an abundant number, since it is smaller than the sum of its proper divisors (401973364584).

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

161301343896 is a wasteful number, since it uses less digits than its factorization.

161301343896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232787 (or 3232774 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 161301343896 in words is "one hundred sixty-one billion, three hundred one million, three hundred forty-three thousand, eight hundred ninety-six".