216157514603 has 4 divisors (see below), whose sum is σ = 216557066928. Its totient is φ = 215757962280.

The previous prime is 216157514597. The next prime is 216157514611. The reversal of 216157514603 is 306415751612.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216157514603 - 2³⁶ = 147438037867 is a prime.

It is a super-2 number, since 2×216157514603² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216157514663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199775351 + ... + 199776432.

It is an arithmetic number, because the mean of its divisors is an integer number (54139266732).

Almost surely, 2^216157514603 is an apocalyptic number.

216157514603 is a deficient number, since it is larger than the sum of its proper divisors (399552325).

216157514603 is an equidigital number, since it uses as much as digits as its factorization.

216157514603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399552324.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 216157514603 in words is "two hundred sixteen billion, one hundred fifty-seven million, five hundred fourteen thousand, six hundred three".