216103238400 has 432 divisors, whose sum is σ = 863023762944. Its totient is φ = 46488944640.

The previous prime is 216103238387. The next prime is 216103238411. The reversal of 216103238400 is 4832301612.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2237509 + ... + 2332091.

It is an arithmetic number, because the mean of its divisors is an integer number (1997740192).

Almost surely, 2^216103238400 is an apocalyptic number.

216103238400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216103238400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431511881472).

216103238400 is an abundant number, since it is smaller than the sum of its proper divisors (646920524544).

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

216103238400 is a wasteful number, since it uses less digits than its factorization.

216103238400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94636 (or 94617 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 216103238400 in words is "two hundred sixteen billion, one hundred three million, two hundred thirty-eight thousand, four hundred".