216105556110 has 64 divisors (see below), whose sum is σ = 519811375104. Its totient is φ = 57499632000.

The previous prime is 216105556097. The next prime is 216105556127. The reversal of 216105556110 is 11655501612.

It is a super-2 number, since 2×216105556110² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27999972 + ... + 28007688.

It is an arithmetic number, because the mean of its divisors is an integer number (8122052736).

Almost surely, 2^216105556110 is an apocalyptic number.

216105556110 is an abundant number, since it is smaller than the sum of its proper divisors (303705818994).

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

216105556110 is a wasteful number, since it uses less digits than its factorization.

216105556110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9689.

The product of its (nonzero) digits is 9000, while the sum is 33.

The spelling of 216105556110 in words is "two hundred sixteen billion, one hundred five million, five hundred fifty-six thousand, one hundred ten".