216053450155 has 8 divisors (see below), whose sum is σ = 261558513792. Its totient is φ = 171313177728.

The previous prime is 216053450147. The next prime is 216053450183. The reversal of 216053450155 is 551054350612.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 216053450155 - 2³ = 216053450147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191197179 + ... + 191198308.

It is an arithmetic number, because the mean of its divisors is an integer number (32694814224).

Almost surely, 2^216053450155 is an apocalyptic number.

216053450155 is a deficient number, since it is larger than the sum of its proper divisors (45505063637).

216053450155 is a wasteful number, since it uses less digits than its factorization.

216053450155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382395605.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 216053450155 in words is "two hundred sixteen billion, fifty-three million, four hundred fifty thousand, one hundred fifty-five".