216672054 has 8 divisors (see below), whose sum is σ = 433344120. Its totient is φ = 72224016.

The previous prime is 216672019. The next prime is 216672073. The reversal of 216672054 is 450276612.

It is a sphenic number, since it is the product of 3 distinct primes.

216672054 is an admirable number.

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, 18055999 + ... + 18056010.

It is an arithmetic number, because the mean of its divisors is an integer number (54168015).

Almost surely, 2^216672054 is an apocalyptic number.

216672054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

216672054 is a wasteful number, since it uses less digits than its factorization.

216672054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36112014.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 216672054 is about 14719.7844413565. The cubic root of 216672054 is about 600.6216279643.

The spelling of 216672054 in words is "two hundred sixteen million, six hundred seventy-two thousand, fifty-four".