216440163614 has 8 divisors (see below), whose sum is σ = 327533345280. Its totient is φ = 107262381856.

The previous prime is 216440163571. The next prime is 216440163623. The reversal of 216440163614 is 416361044612.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478849694 + ... + 478850145.

It is an arithmetic number, because the mean of its divisors is an integer number (40941668160).

Almost surely, 2^216440163614 is an apocalyptic number.

216440163614 is a deficient number, since it is larger than the sum of its proper divisors (111093181666).

216440163614 is a wasteful number, since it uses less digits than its factorization.

216440163614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957699954.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 216440163614 in words is "two hundred sixteen billion, four hundred forty million, one hundred sixty-three thousand, six hundred fourteen".