216602326545 has 64 divisors (see below), whose sum is σ = 379237662720. Its totient is φ = 104695430400.

The previous prime is 216602326537. The next prime is 216602326553. The reversal of 216602326545 is 545623206612.

It is an interprime number because it is at equal distance from previous prime (216602326537) and next prime (216602326553).

It is not a de Polignac number, because 216602326545 - 2³ = 216602326537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 216602326497 and 216602326506.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 96739536 + ... + 96741774.

It is an arithmetic number, because the mean of its divisors is an integer number (5925588480).

Almost surely, 2^216602326545 is an apocalyptic number.

It is an amenable number.

216602326545 is a deficient number, since it is larger than the sum of its proper divisors (162635336175).

216602326545 is a wasteful number, since it uses less digits than its factorization.

216602326545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 216602326545 in words is "two hundred sixteen billion, six hundred two million, three hundred twenty-six thousand, five hundred forty-five".