216025615619 has 8 divisors (see below), whose sum is σ = 235667827200. Its totient is φ = 196383990600.

The previous prime is 216025615517. The next prime is 216025615639. The reversal of 216025615619 is 916516520612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216025615619 - 2¹² = 216025611523 is a prime.

It is a super-2 number, since 2×216025615619² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 216025615619.

It is not an unprimeable number, because it can be changed into a prime (216025615639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1043282 + ... + 1233080.

It is an arithmetic number, because the mean of its divisors is an integer number (29458478400).

Almost surely, 2^216025615619 is an apocalyptic number.

216025615619 is a deficient number, since it is larger than the sum of its proper divisors (19642211581).

216025615619 is a wasteful number, since it uses less digits than its factorization.

216025615619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293281.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 216025615619 in words is "two hundred sixteen billion, twenty-five million, six hundred fifteen thousand, six hundred nineteen".