16051145404 has 72 divisors (see below), whose sum is σ = 34447859712. Its totient is φ = 6515399520.

The previous prime is 16051145371. The next prime is 16051145423. The reversal of 16051145404 is 40454115061.

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

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 23 ways as a sum of consecutive naturals, for example, 257469 + ... + 313675.

It is an arithmetic number, because the mean of its divisors is an integer number (478442496).

Almost surely, 2^16051145404 is an apocalyptic number.

16051145404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16051145404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17223929856).

16051145404 is an abundant number, since it is smaller than the sum of its proper divisors (18396714308).

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

16051145404 is a wasteful number, since it uses less digits than its factorization.

16051145404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56303 (or 56294 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 16051145404 in words is "sixteen billion, fifty-one million, one hundred forty-five thousand, four hundred four".