216837158023 has 16 divisors (see below), whose sum is σ = 224485632000. Its totient is φ = 209230100640.

The previous prime is 216837157987. The next prime is 216837158053. The reversal of 216837158023 is 320851738612.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-216837158023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216837158053) by changing a digit.

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, 34976278 + ... + 34982476.

It is an arithmetic number, because the mean of its divisors is an integer number (14030352000).

Almost surely, 2^216837158023 is an apocalyptic number.

216837158023 is a deficient number, since it is larger than the sum of its proper divisors (7648473977).

216837158023 is a wasteful number, since it uses less digits than its factorization.

216837158023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9342.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 216837158023 in words is "two hundred sixteen billion, eight hundred thirty-seven million, one hundred fifty-eight thousand, twenty-three".