16401216300 has 216 divisors, whose sum is σ = 55307241360. Its totient is φ = 3741696000.

The previous prime is 16401216287. The next prime is 16401216311. The reversal of 16401216300 is 361210461.

It is a super-2 number, since 2×16401216300² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 13655700 + ... + 13656900.

Almost surely, 2^16401216300 is an apocalyptic number.

16401216300 is a gapful number since it is divisible by the number (10) 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 16401216300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27653620680).

16401216300 is an abundant number, since it is smaller than the sum of its proper divisors (38906025060).

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

16401216300 is a wasteful number, since it uses less digits than its factorization.

16401216300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161 (or 2147 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 16401216300 its reverse (361210461), we get a palindrome (16762426761).

The spelling of 16401216300 in words is "sixteen billion, four hundred one million, two hundred sixteen thousand, three hundred".