220667478667198 has 16 divisors (see below), whose sum is σ = 341685556654464. Its totient is φ = 106772436449280.

The previous prime is 220667478667021. The next prime is 220667478667261. The reversal of 220667478667198 is 891766874766022.

It is a super-2 number, since 2×220667478667198² (a number of 29 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 7 ways as a sum of consecutive naturals, for example, 32727315 + ... + 38889742.

It is an arithmetic number, because the mean of its divisors is an integer number (21355347290904).

Almost surely, 2^{220667478667198} is an apocalyptic number.

220667478667198 is a deficient number, since it is larger than the sum of its proper divisors (121018077987266).

220667478667198 is a wasteful number, since it uses less digits than its factorization.

220667478667198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71666787.

The product of its (nonzero) digits is 4096770048, while the sum is 79.

The spelling of 220667478667198 in words is "two hundred twenty trillion, six hundred sixty-seven billion, four hundred seventy-eight million, six hundred sixty-seven thousand, one hundred ninety-eight".