16701128507 has 8 divisors (see below), whose sum is σ = 19745176800. Its totient is φ = 13821623424.

The previous prime is 16701128503. The next prime is 16701128513. The reversal of 16701128507 is 70582110761.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16701128507 - 2² = 16701128503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16701128503) 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, 41135582 + ... + 41135987.

It is an arithmetic number, because the mean of its divisors is an integer number (2468147100).

Almost surely, 2^16701128507 is an apocalyptic number.

16701128507 is a deficient number, since it is larger than the sum of its proper divisors (3044048293).

16701128507 is an equidigital number, since it uses as much as digits as its factorization.

16701128507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82271605.

The product of its (nonzero) digits is 23520, while the sum is 38.

The spelling of 16701128507 in words is "sixteen billion, seven hundred one million, one hundred twenty-eight thousand, five hundred seven".