355132161 has 16 divisors (see below), whose sum is σ = 532036800. Its totient is φ = 234093024.

The previous prime is 355132147. The next prime is 355132163. The reversal of 355132161 is 161231553.

It is not a de Polignac number, because 355132161 - 2¹⁹ = 354607873 is a prime.

It is a super-2 number, since 2×355132161² = 252237703553059842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (355132163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71491 + ... + 76296.

It is an arithmetic number, because the mean of its divisors is an integer number (33252300).

Almost surely, 2^355132161 is an apocalyptic number.

It is an amenable number.

355132161 is a deficient number, since it is larger than the sum of its proper divisors (176904639).

355132161 is a wasteful number, since it uses less digits than its factorization.

355132161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147885 (or 147879 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 355132161 is about 18844.9505438460. The cubic root of 355132161 is about 708.1577320216.

The spelling of 355132161 in words is "three hundred fifty-five million, one hundred thirty-two thousand, one hundred sixty-one".