6623645010 has 16 divisors (see below), whose sum is σ = 15896748096. Its totient is φ = 1766305328.

The previous prime is 6623644987. The next prime is 6623645011. The reversal of 6623645010 is 105463266.

It is not an unprimeable number, because it can be changed into a prime (6623645011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110394054 + ... + 110394113.

It is an arithmetic number, because the mean of its divisors is an integer number (993546756).

Almost surely, 2^6623645010 is an apocalyptic number.

6623645010 is an abundant number, since it is smaller than the sum of its proper divisors (9273103086).

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

6623645010 is a wasteful number, since it uses less digits than its factorization.

6623645010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220788177.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 6623645010 is about 81385.7789174497. The cubic root of 6623645010 is about 1878.0148248673.

The spelling of 6623645010 in words is "six billion, six hundred twenty-three million, six hundred forty-five thousand, ten".