16004635742370 has 128 divisors (see below), whose sum is σ = 42705143792640. Its totient is φ = 3805682766080.

The previous prime is 16004635742369. The next prime is 16004635742377. The reversal of 16004635742370 is 7324753640061.

It is a super-2 number, since 2×16004635742370² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16004635742377) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65973637 + ... + 66215783.

It is an arithmetic number, because the mean of its divisors is an integer number (333633935880).

Almost surely, 2^{16004635742370} is an apocalyptic number.

16004635742370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16004635742370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21352571896320).

16004635742370 is an abundant number, since it is smaller than the sum of its proper divisors (26700508050270).

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

16004635742370 is a wasteful number, since it uses less digits than its factorization.

16004635742370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246000.

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 16004635742370 in words is "sixteen trillion, four billion, six hundred thirty-five million, seven hundred forty-two thousand, three hundred seventy".