216332542437 has 32 divisors (see below), whose sum is σ = 322056430080. Its totient is φ = 128032470720.

The previous prime is 216332542429. The next prime is 216332542457. The reversal of 216332542437 is 734245233612.

It is not a de Polignac number, because 216332542437 - 2³ = 216332542429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216332542457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7334283 + ... + 7363719.

It is an arithmetic number, because the mean of its divisors is an integer number (10064263440).

Almost surely, 2^216332542437 is an apocalyptic number.

It is an amenable number.

216332542437 is a deficient number, since it is larger than the sum of its proper divisors (105723887643).

216332542437 is a wasteful number, since it uses less digits than its factorization.

216332542437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34673.

The product of its digits is 725760, while the sum is 42.

The spelling of 216332542437 in words is "two hundred sixteen billion, three hundred thirty-two million, five hundred forty-two thousand, four hundred thirty-seven".