16209713520001 has 8 divisors (see below), whose sum is σ = 16432691489000. Its totient is φ = 15986760607872.

The previous prime is 16209713519971. The next prime is 16209713520019. The reversal of 16209713520001 is 10002531790261.

It can be written as a sum of positive squares in 4 ways, for example, as 108273244401 + 16101440275600 = 329049^2 + 4012660^2 .

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 16209713520001 - 2²⁵ = 16209679965569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16209713520061) 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, 4959630 + ... + 7550983.

It is an arithmetic number, because the mean of its divisors is an integer number (2054086436125).

Almost surely, 2^{16209713520001} is an apocalyptic number.

It is an amenable number.

16209713520001 is a deficient number, since it is larger than the sum of its proper divisors (222977968999).

16209713520001 is a wasteful number, since it uses less digits than its factorization.

16209713520001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12528435.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 16209713520001 in words is "sixteen trillion, two hundred nine billion, seven hundred thirteen million, five hundred twenty thousand, one".