161924247360 has 84 divisors (see below), whose sum is σ = 556951952388. Its totient is φ = 43179798528.

The previous prime is 161924247311. The next prime is 161924247437. The reversal of 161924247360 is 63742429161.

161924247360 is a `hidden beast` number, since 1 + 6 + 1 + 9 + 242 + 47 + 360 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 72757509696 + 89166737664 = 269736^2 + 298608^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28108969 + ... + 28114728.

Almost surely, 2^161924247360 is an apocalyptic number.

161924247360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161924247360 is an abundant number, since it is smaller than the sum of its proper divisors (395027705028).

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

161924247360 is a wasteful number, since it uses less digits than its factorization.

161924247360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56223720 (or 56223707 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 161924247360 in words is "one hundred sixty-one billion, nine hundred twenty-four million, two hundred forty-seven thousand, three hundred sixty".