188469966057 has 8 divisors (see below), whose sum is σ = 252798038976. Its totient is φ = 124894268592.

The previous prime is 188469966053. The next prime is 188469966103. The reversal of 188469966057 is 750669964881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 188469966057 - 2² = 188469966053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 188469965982 and 188469966000.

It is not an unprimeable number, because it can be changed into a prime (188469966053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188093278 + ... + 188094279.

It is an arithmetic number, because the mean of its divisors is an integer number (31599754872).

Almost surely, 2^188469966057 is an apocalyptic number.

It is an amenable number.

188469966057 is a deficient number, since it is larger than the sum of its proper divisors (64328072919).

188469966057 is a wasteful number, since it uses less digits than its factorization.

188469966057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376187727.

The product of its (nonzero) digits is 156764160, while the sum is 69.

The spelling of 188469966057 in words is "one hundred eighty-eight billion, four hundred sixty-nine million, nine hundred sixty-six thousand, fifty-seven".