216896055 has 8 divisors (see below), whose sum is σ = 347033712. Its totient is φ = 115677888.

The previous prime is 216896051. The next prime is 216896059. The reversal of 216896055 is 550698612.

It is an interprime number because it is at equal distance from previous prime (216896051) and next prime (216896059).

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

It is not a de Polignac number, because 216896055 - 2² = 216896051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216895998 and 216896016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216896051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7229854 + ... + 7229883.

It is an arithmetic number, because the mean of its divisors is an integer number (43379214).

Almost surely, 2^216896055 is an apocalyptic number.

216896055 is a deficient number, since it is larger than the sum of its proper divisors (130137657).

216896055 is a wasteful number, since it uses less digits than its factorization.

216896055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14459745.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 216896055 is about 14727.3913168626. The cubic root of 216896055 is about 600.8285359093.

The spelling of 216896055 in words is "two hundred sixteen million, eight hundred ninety-six thousand, fifty-five".