188248442654 has 32 divisors (see below), whose sum is σ = 298379206656. Its totient is φ = 88899037920.

The previous prime is 188248442633. The next prime is 188248442659. The reversal of 188248442654 is 456244842881.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 188248442654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188248442659) 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, 1156304 + ... + 1309020.

It is an arithmetic number, because the mean of its divisors is an integer number (9324350208).

Almost surely, 2^188248442654 is an apocalyptic number.

188248442654 is a deficient number, since it is larger than the sum of its proper divisors (110130764002).

188248442654 is a wasteful number, since it uses less digits than its factorization.

188248442654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153080.

The product of its digits is 15728640, while the sum is 56.

The spelling of 188248442654 in words is "one hundred eighty-eight billion, two hundred forty-eight million, four hundred forty-two thousand, six hundred fifty-four".