214155116828 has 18 divisors (see below), whose sum is σ = 391073971176. Its totient is φ = 102419889528.

The previous prime is 214155116797. The next prime is 214155116831. The reversal of 214155116828 is 828611551412.

It is a super-2 number, since 2×214155116828² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4414601 + ... + 4462847.

It is an arithmetic number, because the mean of its divisors is an integer number (21726331732).

Almost surely, 2^214155116828 is an apocalyptic number.

It is an amenable number.

214155116828 is a deficient number, since it is larger than the sum of its proper divisors (176918854348).

214155116828 is an frugal number, since it uses more digits than its factorization.

214155116828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96521 (or 48272 counting only the distinct ones).

The product of its digits is 153600, while the sum is 44.

The spelling of 214155116828 in words is "two hundred fourteen billion, one hundred fifty-five million, one hundred sixteen thousand, eight hundred twenty-eight".