218016842901346 has 16 divisors (see below), whose sum is σ = 327424756348800. Its totient is φ = 108875259180288.

The previous prime is 218016842901301. The next prime is 218016842901353. The reversal of 218016842901346 is 643109248610812.

It is a super-2 number, since 2×218016842901346² (a number of 29 digits) contains 22 as substring.

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, 328026915 + ... + 328690873.

It is an arithmetic number, because the mean of its divisors is an integer number (20464047271800).

Almost surely, 2^{218016842901346} is an apocalyptic number.

218016842901346 is a deficient number, since it is larger than the sum of its proper divisors (109407913447454).

218016842901346 is a wasteful number, since it uses less digits than its factorization.

218016842901346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864273.

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 218016842901346 in words is "two hundred eighteen trillion, sixteen billion, eight hundred forty-two million, nine hundred one thousand, three hundred forty-six".