16545201002646 has 8 divisors (see below), whose sum is σ = 33090402005304. Its totient is φ = 5515067000880.

The previous prime is 16545201002633. The next prime is 16545201002647. The reversal of 16545201002646 is 64620010254561.

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

16545201002646 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 16545201002598 and 16545201002607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545201002647) 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, 1378766750215 + ... + 1378766750226.

It is an arithmetic number, because the mean of its divisors is an integer number (4136300250663).

Almost surely, 2^{16545201002646} is an apocalyptic number.

16545201002646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16545201002646 is a wasteful number, since it uses less digits than its factorization.

16545201002646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757533500446.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 16545201002646 in words is "sixteen trillion, five hundred forty-five billion, two hundred one million, two thousand, six hundred forty-six".