16063129440 has 480 divisors, whose sum is σ = 58321438560. Its totient is φ = 4162461696.

The previous prime is 16063129427. The next prime is 16063129457. The reversal of 16063129440 is 4492136061.

16063129440 = T₂₀₁ + T₂₀₂ + ... + T₄₅₈₄.

16063129440 is a `hidden beast` number, since 1 + 606 + 3 + 1 + 2 + 9 + 4 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16063129395 and 16063129404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 117249052 + ... + 117249188.

It is an arithmetic number, because the mean of its divisors is an integer number (121502997).

Almost surely, 2^16063129440 is an apocalyptic number.

16063129440 is a gapful number since it is divisible by the number (10) 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 16063129440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29160719280).

16063129440 is an abundant number, since it is smaller than the sum of its proper divisors (42258309120).

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

16063129440 is a wasteful number, since it uses less digits than its factorization.

16063129440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 16063129440 in words is "sixteen billion, sixty-three million, one hundred twenty-nine thousand, four hundred forty".