216153234670 has 16 divisors (see below), whose sum is σ = 393447462480. Its totient is φ = 85489818304.

The previous prime is 216153234631. The next prime is 216153234709. The reversal of 216153234670 is 76432351612.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (216153234631) and next prime (216153234709).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121433512 + ... + 121435291.

It is an arithmetic number, because the mean of its divisors is an integer number (24590466405).

Almost surely, 2^216153234670 is an apocalyptic number.

216153234670 is a deficient number, since it is larger than the sum of its proper divisors (177294227810).

216153234670 is a wasteful number, since it uses less digits than its factorization.

216153234670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242868899.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 216153234670 in words is "two hundred sixteen billion, one hundred fifty-three million, two hundred thirty-four thousand, six hundred seventy".