16420244052 has 48 divisors (see below), whose sum is σ = 39838643712. Its totient is φ = 5258173440.

The previous prime is 16420244051. The next prime is 16420244081. The reversal of 16420244052 is 25044202461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16420244051) 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, 110133 + ... + 212060.

It is an arithmetic number, because the mean of its divisors is an integer number (829971744).

Almost surely, 2^16420244052 is an apocalyptic number.

16420244052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16420244052 is an abundant number, since it is smaller than the sum of its proper divisors (23418399660).

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

16420244052 is a wasteful number, since it uses less digits than its factorization.

16420244052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322368 (or 322366 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The spelling of 16420244052 in words is "sixteen billion, four hundred twenty million, two hundred forty-four thousand, fifty-two".