216113934537 has 12 divisors (see below), whose sum is σ = 317455497840. Its totient is φ = 141633990648.

The previous prime is 216113934527. The next prime is 216113934539. The reversal of 216113934537 is 735439311612.

216113934537 is a `hidden beast` number, since 2 + 1 + 61 + 139 + 3 + 453 + 7 = 666.

It is not a de Polignac number, because 216113934537 - 2¹⁸ = 216113672393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216113934492 and 216113934501.

It is not an unprimeable number, because it can be changed into a prime (216113934539) 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 11 ways as a sum of consecutive naturals, for example, 203496583 + ... + 203497644.

It is an arithmetic number, because the mean of its divisors is an integer number (26454624820).

Almost surely, 2^216113934537 is an apocalyptic number.

It is an amenable number.

216113934537 is a deficient number, since it is larger than the sum of its proper divisors (101341563303).

216113934537 is a wasteful number, since it uses less digits than its factorization.

216113934537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406994292 (or 406994289 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The spelling of 216113934537 in words is "two hundred sixteen billion, one hundred thirteen million, nine hundred thirty-four thousand, five hundred thirty-seven".