213267553260768 has 36 divisors (see below), whose sum is σ = 606479604586128. Its totient is φ = 71089184420160.

The previous prime is 213267553260767. The next prime is 213267553260899. The reversal of 213267553260768 is 867062355762312.

213267553260768 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 6 + 7 + 553 + 2 + 6 + 0 + 76 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213267553260767) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370256168568 + ... + 370256169143.

It is an arithmetic number, because the mean of its divisors is an integer number (16846655682948).

Almost surely, 2^{213267553260768} is an apocalyptic number.

It is an amenable number.

213267553260768 is an abundant number, since it is smaller than the sum of its proper divisors (393212051325360).

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

213267553260768 is a wasteful number, since it uses less digits than its factorization.

213267553260768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740512337727 (or 740512337716 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 63.

The spelling of 213267553260768 in words is "two hundred thirteen trillion, two hundred sixty-seven billion, five hundred fifty-three million, two hundred sixty thousand, seven hundred sixty-eight".