213735033216 has 48 divisors (see below), whose sum is σ = 615044825460. Its totient is φ = 71245010688.

The previous prime is 213735033199. The next prime is 213735033229. The reversal of 213735033216 is 612330537312.

213735033216 is a `hidden beast` number, since 2 + 137 + 3 + 503 + 3 + 2 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92765790 + ... + 92768093.

Almost surely, 2^213735033216 is an apocalyptic number.

It is an amenable number.

213735033216 is an abundant number, since it is smaller than the sum of its proper divisors (401309792244).

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

213735033216 is a wasteful number, since it uses less digits than its factorization.

213735033216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185533903 (or 185533888 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 36.

The spelling of 213735033216 in words is "two hundred thirteen billion, seven hundred thirty-five million, thirty-three thousand, two hundred sixteen".