216416096537 has 2 divisors, whose sum is σ = 216416096538. Its totient is φ = 216416096536.

The previous prime is 216416096509. The next prime is 216416096579. The reversal of 216416096537 is 735690614612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171122041561 + 45294054976 = 413669^2 + 212824^2 .

It is a cyclic number.

It is not a de Polignac number, because 216416096537 - 2¹² = 216416092441 is a prime.

It is not a weakly prime, because it can be changed into another prime (216416096137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108208048268 + 108208048269.

It is an arithmetic number, because the mean of its divisors is an integer number (108208048269).

Almost surely, 2^216416096537 is an apocalyptic number.

It is an amenable number.

216416096537 is a deficient number, since it is larger than the sum of its proper divisors (1).

216416096537 is an equidigital number, since it uses as much as digits as its factorization.

216416096537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 216416096537 in words is "two hundred sixteen billion, four hundred sixteen million, ninety-six thousand, five hundred thirty-seven".