161347560560 has 40 divisors (see below), whose sum is σ = 385271817216. Its totient is φ = 62794725120.

The previous prime is 161347560547. The next prime is 161347560617. The reversal of 161347560560 is 65065743161.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27251696 + ... + 27257615.

Almost surely, 2^161347560560 is an apocalyptic number.

161347560560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161347560560 is an abundant number, since it is smaller than the sum of its proper divisors (223924256656).

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

161347560560 is a wasteful number, since it uses less digits than its factorization.

161347560560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54509361 (or 54509355 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 161347560560 in words is "one hundred sixty-one billion, three hundred forty-seven million, five hundred sixty thousand, five hundred sixty".