161046380028 has 48 divisors (see below), whose sum is σ = 383846561280. Its totient is φ = 52529485824.

The previous prime is 161046380009. The next prime is 161046380039. The reversal of 161046380028 is 820083640161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3111868 + ... + 3163196.

It is an arithmetic number, because the mean of its divisors is an integer number (7996803360).

Almost surely, 2^161046380028 is an apocalyptic number.

It is an amenable number.

161046380028 is an abundant number, since it is smaller than the sum of its proper divisors (222800181252).

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

161046380028 is a wasteful number, since it uses less digits than its factorization.

161046380028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56946 (or 56944 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 161046380028 in words is "one hundred sixty-one billion, forty-six million, three hundred eighty thousand, twenty-eight".