216157514659 has 2 divisors, whose sum is σ = 216157514660. Its totient is φ = 216157514658.

The previous prime is 216157514647. The next prime is 216157514663. The reversal of 216157514659 is 956415751612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 216157514659 - 2³⁵ = 181797776291 is a prime.

It is a super-2 number, since 2×216157514659² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (216157514689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108078757329 + 108078757330.

It is an arithmetic number, because the mean of its divisors is an integer number (108078757330).

Almost surely, 2^216157514659 is an apocalyptic number.

216157514659 is a deficient number, since it is larger than the sum of its proper divisors (1).

216157514659 is an equidigital number, since it uses as much as digits as its factorization.

216157514659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268000, while the sum is 52.

The spelling of 216157514659 in words is "two hundred sixteen billion, one hundred fifty-seven million, five hundred fourteen thousand, six hundred fifty-nine".