16257457803552 has 48 divisors (see below), whose sum is σ = 48772373412672. Its totient is φ = 4644987943680.

The previous prime is 16257457803541. The next prime is 16257457803569. The reversal of 16257457803552 is 25530875475261.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12096322099 + ... + 12096323442.

It is an arithmetic number, because the mean of its divisors is an integer number (1016091112764).

Almost surely, 2^{16257457803552} is an apocalyptic number.

16257457803552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16257457803552 is an abundant number, since it is smaller than the sum of its proper divisors (32514915609120).

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

16257457803552 is a wasteful number, since it uses less digits than its factorization.

16257457803552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24192645561 (or 24192645553 counting only the distinct ones).

The product of its (nonzero) digits is 70560000, while the sum is 60.

The spelling of 16257457803552 in words is "sixteen trillion, two hundred fifty-seven billion, four hundred fifty-seven million, eight hundred three thousand, five hundred fifty-two".