221195341368 has 96 divisors (see below), whose sum is σ = 637102174800. Its totient is φ = 69131003904.

The previous prime is 221195341277. The next prime is 221195341391. The reversal of 221195341368 is 863143591122.

221195341368 is a `hidden beast` number, since 2 + 211 + 95 + 341 + 3 + 6 + 8 = 666.

It is a super-2 number, since 2×221195341368² (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 23 ways as a sum of consecutive naturals, for example, 700771 + ... + 966162.

Almost surely, 2^221195341368 is an apocalyptic number.

It is an amenable number.

221195341368 is an abundant number, since it is smaller than the sum of its proper divisors (415906833432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221195341368 is a wasteful number, since it uses less digits than its factorization.

221195341368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667061 (or 1667054 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The spelling of 221195341368 in words is "two hundred twenty-one billion, one hundred ninety-five million, three hundred forty-one thousand, three hundred sixty-eight".