16256133587960 has 32 divisors (see below), whose sum is σ = 41801486369760. Its totient is φ = 5573531515776.

The previous prime is 16256133587959. The next prime is 16256133587983. The reversal of 16256133587960 is 6978533165261.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16256133587893 and 16256133587902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29028809699 + ... + 29028810258.

It is an arithmetic number, because the mean of its divisors is an integer number (1306296449055).

Almost surely, 2^{16256133587960} is an apocalyptic number.

16256133587960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16256133587960 is an abundant number, since it is smaller than the sum of its proper divisors (25545352781800).

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

16256133587960 is a wasteful number, since it uses less digits than its factorization.

16256133587960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58057619975 (or 58057619971 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 62.

The spelling of 16256133587960 in words is "sixteen trillion, two hundred fifty-six billion, one hundred thirty-three million, five hundred eighty-seven thousand, nine hundred sixty".