6634669620 has 48 divisors (see below), whose sum is σ = 18617276160. Its totient is φ = 1765416576.

The previous prime is 6634669597. The next prime is 6634669663. The reversal of 6634669620 is 269664366.

It is a self number, because there is not a number n which added to its sum of digits gives 6634669620.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91635 + ... + 147194.

It is an arithmetic number, because the mean of its divisors is an integer number (387859920).

Almost surely, 2^6634669620 is an apocalyptic number.

6634669620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6634669620 is an abundant number, since it is smaller than the sum of its proper divisors (11982606540).

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

6634669620 is a wasteful number, since it uses less digits than its factorization.

6634669620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239304 (or 239302 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 48.

The square root of 6634669620 is about 81453.4813252325. The cubic root of 6634669620 is about 1879.0561902878.

The spelling of 6634669620 in words is "six billion, six hundred thirty-four million, six hundred sixty-nine thousand, six hundred twenty".