6642070550 has 24 divisors (see below), whose sum is σ = 12617112096. Its totient is φ = 2600299040.

The previous prime is 6642070541. The next prime is 6642070609. The reversal of 6642070550 is 550702466.

It is a self number, because there is not a number n which added to its sum of digits gives 6642070550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1410857 + ... + 1415556.

It is an arithmetic number, because the mean of its divisors is an integer number (525713004).

Almost surely, 2^6642070550 is an apocalyptic number.

6642070550 is a deficient number, since it is larger than the sum of its proper divisors (5975041546).

6642070550 is a wasteful number, since it uses less digits than its factorization.

6642070550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826472 (or 2826467 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 6642070550 is about 81498.8990723188. The cubic root of 6642070550 is about 1879.7546222300.

The spelling of 6642070550 in words is "six billion, six hundred forty-two million, seventy thousand, five hundred fifty".