16648530605401 has 8 divisors (see below), whose sum is σ = 16657898100480. Its totient is φ = 16639163653632.

The previous prime is 16648530605323. The next prime is 16648530605417. The reversal of 16648530605401 is 10450603584661.

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 16648530605401 - 2²³ = 16648522216793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16648530605431) 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, 71799216 + ... + 72030718.

It is an arithmetic number, because the mean of its divisors is an integer number (2082237262560).

Almost surely, 2^{16648530605401} is an apocalyptic number.

It is an amenable number.

16648530605401 is a deficient number, since it is larger than the sum of its proper divisors (9367495079).

16648530605401 is a wasteful number, since it uses less digits than its factorization.

16648530605401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271655.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 16648530605401 in words is "sixteen trillion, six hundred forty-eight billion, five hundred thirty million, six hundred five thousand, four hundred one".