355968550161 has 27 divisors (see below), whose sum is σ = 598145079753. Its totient is φ = 203403440520.

The previous prime is 355968550153. The next prime is 355968550219. The reversal of 355968550161 is 161055869553.

The square root of 355968550161 is 596631.

It is a perfect power (a square), and thus also a powerful number.

355968550161 is a `hidden beast` number, since 3 + 5 + 59 + 6 + 85 + 501 + 6 + 1 = 666.

It is not a de Polignac number, because 355968550161 - 2³ = 355968550153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 355968550098 and 355968550107.

It is not an unprimeable number, because it can be changed into a prime (355968550111) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12515046 + ... + 12543456.

Almost surely, 2^355968550161 is an apocalyptic number.

355968550161 is the 596631-st square number.

355968550161 is the 298316-th centered octagonal number.

It is an amenable number.

355968550161 is a deficient number, since it is larger than the sum of its proper divisors (242176529592).

355968550161 is an frugal number, since it uses more digits than its factorization.

355968550161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56842 (or 28421 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 54.

The spelling of 355968550161 in words is "three hundred fifty-five billion, nine hundred sixty-eight million, five hundred fifty thousand, one hundred sixty-one".