213343420164 has 48 divisors (see below), whose sum is σ = 569535052800. Its totient is φ = 60888913056.

The previous prime is 213343420153. The next prime is 213343420181. The reversal of 213343420164 is 461024343312.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1304634 + ... + 1459025.

It is an arithmetic number, because the mean of its divisors is an integer number (11865313600).

Almost surely, 2^213343420164 is an apocalyptic number.

It is an amenable number.

213343420164 is an abundant number, since it is smaller than the sum of its proper divisors (356191632636).

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

213343420164 is a wasteful number, since it uses less digits than its factorization.

213343420164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764592 (or 2764590 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 213343420164 its reverse (461024343312), we get a palindrome (674367763476).

The spelling of 213343420164 in words is "two hundred thirteen billion, three hundred forty-three million, four hundred twenty thousand, one hundred sixty-four".