216410542006 has 16 divisors (see below), whose sum is σ = 335167119360. Its totient is φ = 104689832040.

The previous prime is 216410542001. The next prime is 216410542021. The reversal of 216410542006 is 600245014612.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216410542001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152086 + ... + 675241.

It is an arithmetic number, because the mean of its divisors is an integer number (20947944960).

Almost surely, 2^216410542006 is an apocalyptic number.

216410542006 is a deficient number, since it is larger than the sum of its proper divisors (118756577354).

216410542006 is a wasteful number, since it uses less digits than its factorization.

216410542006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831579.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 216410542006 its reverse (600245014612), we get a palindrome (816655556618).

The spelling of 216410542006 in words is "two hundred sixteen billion, four hundred ten million, five hundred forty-two thousand, six".