355165091242 has 16 divisors (see below), whose sum is σ = 579642952392. Its totient is φ = 162232427520.

The previous prime is 355165091189. The next prime is 355165091257. The reversal of 355165091242 is 242190561553.

It can be written as a sum of positive squares in 4 ways, for example, as 268893065401 + 86272025841 = 518549^2 + 293721^2 .

It is a super-2 number, since 2×355165091242² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70410859 + ... + 70415902.

Almost surely, 2^355165091242 is an apocalyptic number.

355165091242 is a deficient number, since it is larger than the sum of its proper divisors (224477861150).

355165091242 is a wasteful number, since it uses less digits than its factorization.

355165091242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140826873.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 355165091242 in words is "three hundred fifty-five billion, one hundred sixty-five million, ninety-one thousand, two hundred forty-two".