216575601280 has 64 divisors (see below), whose sum is σ = 522590006880. Its totient is φ = 85820584960.

The previous prime is 216575601197. The next prime is 216575601331. The reversal of 216575601280 is 82106575612.

216575601280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

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, 1512826 + ... + 1649785.

Almost surely, 2^216575601280 is an apocalyptic number.

216575601280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216575601280 is an abundant number, since it is smaller than the sum of its proper divisors (306014405600).

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

216575601280 is a wasteful number, since it uses less digits than its factorization.

216575601280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162737 (or 3162725 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 216575601280 in words is "two hundred sixteen billion, five hundred seventy-five million, six hundred one thousand, two hundred eighty".