216495898260 has 48 divisors (see below), whose sum is σ = 606390345792. Its totient is φ = 57713017600.

The previous prime is 216495898249. The next prime is 216495898303. The reversal of 216495898260 is 62898594612.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 216495898194 and 216495898203.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 418521 + ... + 779840.

It is an arithmetic number, because the mean of its divisors is an integer number (12633132204).

Almost surely, 2^216495898260 is an apocalyptic number.

216495898260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216495898260 is an abundant number, since it is smaller than the sum of its proper divisors (389894447532).

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

216495898260 is a wasteful number, since it uses less digits than its factorization.

216495898260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201384 (or 1201382 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 216495898260 in words is "two hundred sixteen billion, four hundred ninety-five million, eight hundred ninety-eight thousand, two hundred sixty".