188805006 has 80 divisors (see below), whose sum is σ = 468113184. Its totient is φ = 56500416.

The previous prime is 188804963. The next prime is 188805013. The reversal of 188805006 is 600508881.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 76711 + ... + 79133.

Almost surely, 2^188805006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188805006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234056592).

188805006 is an abundant number, since it is smaller than the sum of its proper divisors (279308178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

188805006 is a wasteful number, since it uses less digits than its factorization.

188805006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487 (or 2478 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 188805006 is about 13740.6333915144. The cubic root of 188805006 is about 573.6819270769.

The spelling of 188805006 in words is "one hundred eighty-eight million, eight hundred five thousand, six".