188748146805 has 64 divisors (see below), whose sum is σ = 329254398720. Its totient is φ = 91944751104.

The previous prime is 188748146803. The next prime is 188748146827. The reversal of 188748146805 is 508641847881.

It is not a de Polignac number, because 188748146805 - 2¹ = 188748146803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188748146801) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3644502 + ... + 3695928.

It is an arithmetic number, because the mean of its divisors is an integer number (5144599980).

Almost surely, 2^188748146805 is an apocalyptic number.

188748146805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

188748146805 is a deficient number, since it is larger than the sum of its proper divisors (140506251915).

188748146805 is a wasteful number, since it uses less digits than its factorization.

188748146805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51878.

The product of its (nonzero) digits is 13762560, while the sum is 60.

The spelling of 188748146805 in words is "one hundred eighty-eight billion, seven hundred forty-eight million, one hundred forty-six thousand, eight hundred five".