216067456 has 32 divisors (see below), whose sum is σ = 469581480. Its totient is φ = 98211840.

The previous prime is 216067441. The next prime is 216067471. The reversal of 216067456 is 654760612.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (216067441) and next prime (216067471).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75321 + ... + 78136.

Almost surely, 2^216067456 is an apocalyptic number.

It is an amenable number.

216067456 is an abundant number, since it is smaller than the sum of its proper divisors (253514024).

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

216067456 is a wasteful number, since it uses less digits than its factorization.

216067456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153482 (or 153470 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 216067456 is about 14699.2331772783. The cubic root of 216067456 is about 600.0624527585.

The spelling of 216067456 in words is "two hundred sixteen million, sixty-seven thousand, four hundred fifty-six".