216746419533 has 48 divisors (see below), whose sum is σ = 351752417280. Its totient is φ = 118146609504.

The previous prime is 216746419507. The next prime is 216746419541. The reversal of 216746419533 is 335914647612.

It is not a de Polignac number, because 216746419533 - 2⁸ = 216746419277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216746419553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1153488 + ... + 1328166.

It is an arithmetic number, because the mean of its divisors is an integer number (7328175360).

Almost surely, 2^216746419533 is an apocalyptic number.

216746419533 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

216746419533 is a deficient number, since it is larger than the sum of its proper divisors (135005997747).

216746419533 is a wasteful number, since it uses less digits than its factorization.

216746419533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175086 (or 175079 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 51.

The spelling of 216746419533 in words is "two hundred sixteen billion, seven hundred forty-six million, four hundred nineteen thousand, five hundred thirty-three".