16212416394 has 64 divisors (see below), whose sum is σ = 34144911360. Its totient is φ = 5125498560.

The previous prime is 16212416393. The next prime is 16212416399. The reversal of 16212416394 is 49361421261.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16212416393) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1956492 + ... + 1964760.

It is an arithmetic number, because the mean of its divisors is an integer number (533514240).

Almost surely, 2^16212416394 is an apocalyptic number.

16212416394 is an abundant number, since it is smaller than the sum of its proper divisors (17932494966).

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

16212416394 is a wasteful number, since it uses less digits than its factorization.

16212416394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8515.

The product of its digits is 62208, while the sum is 39.

The spelling of 16212416394 in words is "sixteen billion, two hundred twelve million, four hundred sixteen thousand, three hundred ninety-four".