216526103104 has 28 divisors (see below), whose sum is σ = 435720670848. Its totient is φ = 106738217600.

The previous prime is 216526103083. The next prime is 216526103113. The reversal of 216526103104 is 401301625612.

It is a happy 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, 23820952 + ... + 23830039.

Almost surely, 2^216526103104 is an apocalyptic number.

It is an amenable number.

216526103104 is an abundant number, since it is smaller than the sum of its proper divisors (219194567744).

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

216526103104 is an equidigital number, since it uses as much as digits as its factorization.

216526103104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47651074 (or 47651064 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 216526103104 its reverse (401301625612), we get a palindrome (617827728716).

The spelling of 216526103104 in words is "two hundred sixteen billion, five hundred twenty-six million, one hundred three thousand, one hundred four".