16401240006 has 16 divisors (see below), whose sum is σ = 32998904064. Its totient is φ = 5434342664.

The previous prime is 16401239977. The next prime is 16401240013. The reversal of 16401240006 is 60004210461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8183250 + ... + 8185253.

It is an arithmetic number, because the mean of its divisors is an integer number (2062431504).

Almost surely, 2^16401240006 is an apocalyptic number.

16401240006 is an abundant number, since it is smaller than the sum of its proper divisors (16597664058).

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

16401240006 is a wasteful number, since it uses less digits than its factorization.

16401240006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16368675.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 16401240006 its reverse (60004210461), we get a palindrome (76405450467).

The spelling of 16401240006 in words is "sixteen billion, four hundred one million, two hundred forty thousand, six".