4550325620661 has 8 divisors (see below), whose sum is σ = 6741223141760. Its totient is φ = 3033550413756.

The previous prime is 4550325620653. The next prime is 4550325620761. The reversal of 4550325620661 is 1660265230554.

4550325620661 is a `hidden beast` number, since 4 + 5 + 50 + 32 + 562 + 0 + 6 + 6 + 1 = 666.

It is not a de Polignac number, because 4550325620661 - 2³ = 4550325620653 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 (4550325620161) 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, 84265289245 + ... + 84265289298.

It is an arithmetic number, because the mean of its divisors is an integer number (842652892720).

Almost surely, 2^{4550325620661} is an apocalyptic number.

It is an amenable number.

4550325620661 is a deficient number, since it is larger than the sum of its proper divisors (2190897521099).

4550325620661 is a wasteful number, since it uses less digits than its factorization.

4550325620661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168530578552 (or 168530578546 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The spelling of 4550325620661 in words is "four trillion, five hundred fifty billion, three hundred twenty-five million, six hundred twenty thousand, six hundred sixty-one".