3621664246 has 8 divisors (see below), whose sum is σ = 5619823920. Its totient is φ = 1748389608.

The previous prime is 3621664243. The next prime is 3621664259. The reversal of 3621664246 is 6424661263.

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

It is a junction number, because it is equal to n+sod(n) for n = 3621664199 and 3621664208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621664243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31221186 + ... + 31221301.

It is an arithmetic number, because the mean of its divisors is an integer number (702477990).

Almost surely, 2^3621664246 is an apocalyptic number.

3621664246 is a deficient number, since it is larger than the sum of its proper divisors (1998159674).

3621664246 is a wasteful number, since it uses less digits than its factorization.

3621664246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62442518.

The product of its digits is 248832, while the sum is 40.

The square root of 3621664246 is about 60180.2645889830. The cubic root of 3621664246 is about 1535.6870731496.

The spelling of 3621664246 in words is "three billion, six hundred twenty-one million, six hundred sixty-four thousand, two hundred forty-six".