16752021117 has 16 divisors (see below), whose sum is σ = 24448518528. Its totient is φ = 10139935680.

The previous prime is 16752021113. The next prime is 16752021157. The reversal of 16752021117 is 71112025761.

It is not a de Polignac number, because 16752021117 - 2² = 16752021113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16752021113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3518433 + ... + 3523190.

It is an arithmetic number, because the mean of its divisors is an integer number (1528032408).

Almost surely, 2^16752021117 is an apocalyptic number.

It is an amenable number.

16752021117 is a deficient number, since it is larger than the sum of its proper divisors (7696497411).

16752021117 is a wasteful number, since it uses less digits than its factorization.

16752021117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7041700.

The product of its (nonzero) digits is 5880, while the sum is 33.

Adding to 16752021117 its reverse (71112025761), we get a palindrome (87864046878).

The spelling of 16752021117 in words is "sixteen billion, seven hundred fifty-two million, twenty-one thousand, one hundred seventeen".