16234211720 has 32 divisors (see below), whose sum is σ = 37304150400. Its totient is φ = 6355520448.

The previous prime is 16234211681. The next prime is 16234211731. The reversal of 16234211720 is 2711243261.

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, 4315730 + ... + 4319489.

It is an arithmetic number, because the mean of its divisors is an integer number (1165754700).

Almost surely, 2^16234211720 is an apocalyptic number.

16234211720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16234211720 is an abundant number, since it is smaller than the sum of its proper divisors (21069938680).

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

16234211720 is a wasteful number, since it uses less digits than its factorization.

16234211720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8635277 (or 8635273 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 16234211720 its reverse (2711243261), we get a palindrome (18945454981).

The spelling of 16234211720 in words is "sixteen billion, two hundred thirty-four million, two hundred eleven thousand, seven hundred twenty".