16400077424376 has 128 divisors (see below), whose sum is σ = 45780362784000. Its totient is φ = 4865414141952.

The previous prime is 16400077424371. The next prime is 16400077424383. The reversal of 16400077424376 is 67342477000461.

16400077424376 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16400077424371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2306530 + ... + 6174158.

It is an arithmetic number, because the mean of its divisors is an integer number (357659084250).

Almost surely, 2^{16400077424376} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16400077424376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22890181392000).

16400077424376 is an abundant number, since it is smaller than the sum of its proper divisors (29380285359624).

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

16400077424376 is a wasteful number, since it uses less digits than its factorization.

16400077424376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868221 (or 3868217 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 51.

The spelling of 16400077424376 in words is "sixteen trillion, four hundred billion, seventy-seven million, four hundred twenty-four thousand, three hundred seventy-six".