213351146604 has 36 divisors (see below), whose sum is σ = 567688725240. Its totient is φ = 67374046080.

The previous prime is 213351146597. The next prime is 213351146693. The reversal of 213351146604 is 406641153312.

213351146604 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 5 + 1 + 1 + 46 + 604 = 666.

213351146604 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×213351146604³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155957757 + ... + 155959124.

Almost surely, 2^213351146604 is an apocalyptic number.

It is an amenable number.

213351146604 is an abundant number, since it is smaller than the sum of its proper divisors (354337578636).

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

213351146604 is a wasteful number, since it uses less digits than its factorization.

213351146604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311916910 (or 311916905 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 213351146604 its reverse (406641153312), we get a palindrome (619992299916).

The spelling of 213351146604 in words is "two hundred thirteen billion, three hundred fifty-one million, one hundred forty-six thousand, six hundred four".