188148146801 has 4 divisors (see below), whose sum is σ = 188151537012. Its totient is φ = 188144756592.

The previous prime is 188148146777. The next prime is 188148146827. The reversal of 188148146801 is 108641841881.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 148379810401 + 39768336400 = 385201^2 + 199420^2 .

It is a cyclic number.

It is not a de Polignac number, because 188148146801 - 2²² = 188143952497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 188148146801.

It is not an unprimeable number, because it can be changed into a prime (188148146881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610450 + ... + 1723323.

It is an arithmetic number, because the mean of its divisors is an integer number (47037884253).

Almost surely, 2^188148146801 is an apocalyptic number.

It is an amenable number.

188148146801 is a deficient number, since it is larger than the sum of its proper divisors (3390211).

188148146801 is an equidigital number, since it uses as much as digits as its factorization.

188148146801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390210.

The product of its (nonzero) digits is 393216, while the sum is 50.

The spelling of 188148146801 in words is "one hundred eighty-eight billion, one hundred forty-eight million, one hundred forty-six thousand, eight hundred one".