16021510304340 has 96 divisors (see below), whose sum is σ = 45350937072000. Its totient is φ = 4225897170432.

The previous prime is 16021510304323. The next prime is 16021510304347. The reversal of 16021510304340 is 4340301512061.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 16021510304298 and 16021510304307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16021510304347) 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, 1327255 + ... + 5814174.

It is an arithmetic number, because the mean of its divisors is an integer number (472405594500).

Almost surely, 2^{16021510304340} is an apocalyptic number.

16021510304340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16021510304340 is an abundant number, since it is smaller than the sum of its proper divisors (29329426767660).

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

16021510304340 is a wasteful number, since it uses less digits than its factorization.

16021510304340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7141849 (or 7141847 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 16021510304340 in words is "sixteen trillion, twenty-one billion, five hundred ten million, three hundred four thousand, three hundred forty".