355400165203 has 4 divisors (see below), whose sum is σ = 363665285368. Its totient is φ = 347135045040.

The previous prime is 355400165201. The next prime is 355400165249. The reversal of 355400165203 is 302561004553.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302561004553 = 14923 ⋅20274811.

It is a cyclic number.

It is not a de Polignac number, because 355400165203 - 2¹ = 355400165201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355400165201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4132560018 + ... + 4132560103.

It is an arithmetic number, because the mean of its divisors is an integer number (90916321342).

Almost surely, 2^355400165203 is an apocalyptic number.

355400165203 is a deficient number, since it is larger than the sum of its proper divisors (8265120165).

355400165203 is an equidigital number, since it uses as much as digits as its factorization.

355400165203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8265120164.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 355400165203 its reverse (302561004553), we get a palindrome (657961169756).

The spelling of 355400165203 in words is "three hundred fifty-five billion, four hundred million, one hundred sixty-five thousand, two hundred three".