5245005666 has 8 divisors (see below), whose sum is σ = 10490011344. Its totient is φ = 1748335220.

The previous prime is 5245005653. The next prime is 5245005671. The reversal of 5245005666 is 6665005425.

It is a happy number.

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

5245005666 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437083800 + ... + 437083811.

It is an arithmetic number, because the mean of its divisors is an integer number (1311251418).

Almost surely, 2^5245005666 is an apocalyptic number.

5245005666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5245005666 is a wasteful number, since it uses less digits than its factorization.

5245005666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874167616.

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 5245005666 is about 72422.4113517356. The cubic root of 5245005666 is about 1737.4620225710.

The spelling of 5245005666 in words is "five billion, two hundred forty-five million, five thousand, six hundred sixty-six".