216152751617 has 24 divisors (see below), whose sum is σ = 247424432640. Its totient is φ = 188480476800.

The previous prime is 216152751593. The next prime is 216152751673. The reversal of 216152751617 is 716157251612.

It is not a de Polignac number, because 216152751617 - 2¹⁴ = 216152735233 is a prime.

It is a super-2 number, since 2×216152751617² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216152751677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168884 + ... + 678842.

It is an arithmetic number, because the mean of its divisors is an integer number (10309351360).

Almost surely, 2^216152751617 is an apocalyptic number.

It is an amenable number.

216152751617 is a deficient number, since it is larger than the sum of its proper divisors (31271681023).

216152751617 is a wasteful number, since it uses less digits than its factorization.

216152751617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510125 (or 510114 counting only the distinct ones).

The product of its digits is 176400, while the sum is 44.

It can be divided in two parts, 216152 and 751617, that added together give a palindrome (967769).

The spelling of 216152751617 in words is "two hundred sixteen billion, one hundred fifty-two million, seven hundred fifty-one thousand, six hundred seventeen".