16253602540 has 24 divisors (see below), whose sum is σ = 39008646432. Its totient is φ = 5572663680.

The previous prime is 16253602531. The next prime is 16253602549. The reversal of 16253602540 is 4520635261.

16253602540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16253602531) and next prime (16253602549).

It is a junction number, because it is equal to n+sod(n) for n = 16253602496 and 16253602505.

It is not an unprimeable number, because it can be changed into a prime (16253602549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58048441 + ... + 58048720.

It is an arithmetic number, because the mean of its divisors is an integer number (1625360268).

Almost surely, 2^16253602540 is an apocalyptic number.

16253602540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16253602540 is an abundant number, since it is smaller than the sum of its proper divisors (22755043892).

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

16253602540 is a wasteful number, since it uses less digits than its factorization.

16253602540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116097177 (or 116097175 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 16253602540 in words is "sixteen billion, two hundred fifty-three million, six hundred two thousand, five hundred forty".