3616464601621 has 8 divisors (see below), whose sum is σ = 3625134242688. Its totient is φ = 3607795338000.

The previous prime is 3616464601571. The next prime is 3616464601661. The reversal of 3616464601621 is 1261064646163.

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

It is a cyclic number.

It is not a de Polignac number, because 3616464601621 - 2¹⁹ = 3616464077333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3616464601661) 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, 32610456 + ... + 32721166.

It is an arithmetic number, because the mean of its divisors is an integer number (453141780336).

Almost surely, 2^{3616464601621} is an apocalyptic number.

It is an amenable number.

3616464601621 is a deficient number, since it is larger than the sum of its proper divisors (8669641067).

3616464601621 is a wasteful number, since it uses less digits than its factorization.

3616464601621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188723.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 3616464601621 in words is "three trillion, six hundred sixteen billion, four hundred sixty-four million, six hundred one thousand, six hundred twenty-one".