16225948906940 has 48 divisors (see below), whose sum is σ = 34369653964800. Its totient is φ = 6434238307392.

The previous prime is 16225948906933. The next prime is 16225948906943. The reversal of 16225948906940 is 4960984952261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16225948906943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751331 + ... + 5745989.

It is an arithmetic number, because the mean of its divisors is an integer number (716034457600).

Almost surely, 2^{16225948906940} is an apocalyptic number.

16225948906940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16225948906940 is an abundant number, since it is smaller than the sum of its proper divisors (18143705057860).

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

16225948906940 is a wasteful number, since it uses less digits than its factorization.

16225948906940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996074 (or 4996072 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 65.

The spelling of 16225948906940 in words is "sixteen trillion, two hundred twenty-five billion, nine hundred forty-eight million, nine hundred six thousand, nine hundred forty".