188248223346081 has 16 divisors (see below), whose sum is σ = 251086338074880. Its totient is φ = 125454467874960.

The previous prime is 188248223346077. The next prime is 188248223346101. The reversal of 188248223346081 is 180643322842881.

It is a happy number.

It is not a de Polignac number, because 188248223346081 - 2² = 188248223346077 is a prime.

It is a super-2 number, since 2×188248223346081² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (188248223346481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130871326 + ... + 132301928.

It is an arithmetic number, because the mean of its divisors is an integer number (15692896129680).

Almost surely, 2^{188248223346081} is an apocalyptic number.

It is an amenable number.

188248223346081 is a deficient number, since it is larger than the sum of its proper divisors (62838114728799).

188248223346081 is a wasteful number, since it uses less digits than its factorization.

188248223346081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446076.

The product of its (nonzero) digits is 28311552, while the sum is 60.

The spelling of 188248223346081 in words is "one hundred eighty-eight trillion, two hundred forty-eight billion, two hundred twenty-three million, three hundred forty-six thousand, eighty-one".