16001335603045 has 32 divisors (see below), whose sum is σ = 21836542694400. Its totient is φ = 11158691341824.

The previous prime is 16001335603031. The next prime is 16001335603051. The reversal of 16001335603045 is 54030653310061.

It is a happy number.

It is not a de Polignac number, because 16001335603045 - 2¹⁵ = 16001335570277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16001335602995 and 16001335603013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20310805 + ... + 21083914.

It is an arithmetic number, because the mean of its divisors is an integer number (682391959200).

Almost surely, 2^{16001335603045} is an apocalyptic number.

It is an amenable number.

16001335603045 is a deficient number, since it is larger than the sum of its proper divisors (5835207091355).

16001335603045 is a wasteful number, since it uses less digits than its factorization.

16001335603045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41395069.

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 16001335603045 in words is "sixteen trillion, one billion, three hundred thirty-five million, six hundred three thousand, forty-five".