16720430452527 has 8 divisors (see below), whose sum is σ = 22714547030064. Its totient is φ = 10936633755008.

The previous prime is 16720430452501. The next prime is 16720430452549. The reversal of 16720430452527 is 72525403402761.

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 16720430452527 - 2¹⁹ = 16720429928239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16720430452597) 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, 52579969818 + ... + 52579970135.

It is an arithmetic number, because the mean of its divisors is an integer number (2839318378758).

Almost surely, 2^{16720430452527} is an apocalyptic number.

16720430452527 is a deficient number, since it is larger than the sum of its proper divisors (5994116577537).

16720430452527 is a wasteful number, since it uses less digits than its factorization.

16720430452527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105159940009.

The product of its (nonzero) digits is 2822400, while the sum is 48.

The spelling of 16720430452527 in words is "sixteen trillion, seven hundred twenty billion, four hundred thirty million, four hundred fifty-two thousand, five hundred twenty-seven".