216460929055 has 16 divisors (see below), whose sum is σ = 304101209664. Its totient is φ = 144810097920.

The previous prime is 216460929053. The next prime is 216460929073. The reversal of 216460929055 is 550929064612.

It is not a de Polignac number, because 216460929055 - 2¹ = 216460929053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216460929053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75420492 + ... + 75423361.

It is an arithmetic number, because the mean of its divisors is an integer number (19006325604).

Almost surely, 2^216460929055 is an apocalyptic number.

216460929055 is a deficient number, since it is larger than the sum of its proper divisors (87640280609).

216460929055 is a wasteful number, since it uses less digits than its factorization.

216460929055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150843906.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 216460929055 in words is "two hundred sixteen billion, four hundred sixty million, nine hundred twenty-nine thousand, fifty-five".