3621665216046 has 32 divisors (see below), whose sum is σ = 7315495453728. Its totient is φ = 1195195702400.

The previous prime is 3621665216023. The next prime is 3621665216047. The reversal of 3621665216046 is 6406125661263.

It is a junction number, because it is equal to n+sod(n) for n = 3621665215986 and 3621665216004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621665216047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10183540 + ... + 10533176.

It is an arithmetic number, because the mean of its divisors is an integer number (228609232929).

Almost surely, 2^{3621665216046} is an apocalyptic number.

3621665216046 is an abundant number, since it is smaller than the sum of its proper divisors (3693830237682).

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

3621665216046 is a wasteful number, since it uses less digits than its factorization.

3621665216046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366836.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 3621665216046 in words is "three trillion, six hundred twenty-one billion, six hundred sixty-five million, two hundred sixteen thousand, forty-six".