216641576094 has 16 divisors (see below), whose sum is σ = 433289117568. Its totient is φ = 72212864472.

The previous prime is 216641576087. The next prime is 216641576117. The reversal of 216641576094 is 490675146612.

It is a happy number.

It is a congruent 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, 325569 + ... + 734355.

It is an arithmetic number, because the mean of its divisors is an integer number (27080569848).

Almost surely, 2^216641576094 is an apocalyptic number.

216641576094 is an abundant number, since it is smaller than the sum of its proper divisors (216647541474).

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

216641576094 is a wasteful number, since it uses less digits than its factorization.

216641576094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497119.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 216641576094 in words is "two hundred sixteen billion, six hundred forty-one million, five hundred seventy-six thousand, ninety-four".