16715312001 has 24 divisors (see below), whose sum is σ = 24984446760. Its totient is φ = 10756032000.

The previous prime is 16715311969. The next prime is 16715312027. The reversal of 16715312001 is 10021351761.

It can be written as a sum of positive squares in 4 ways, for example, as 4166831601 + 12548480400 = 64551^2 + 112020^2 .

It is not a de Polignac number, because 16715312001 - 2⁵ = 16715311969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16715312071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1099351 + ... + 1114451.

It is an arithmetic number, because the mean of its divisors is an integer number (1041018615).

Almost surely, 2^16715312001 is an apocalyptic number.

It is an amenable number.

16715312001 is a deficient number, since it is larger than the sum of its proper divisors (8269134759).

16715312001 is a wasteful number, since it uses less digits than its factorization.

16715312001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19377 (or 19374 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

Adding to 16715312001 its reverse (10021351761), we get a palindrome (26736663762).

The spelling of 16715312001 in words is "sixteen billion, seven hundred fifteen million, three hundred twelve thousand, one".