16500070401 has 8 divisors (see below), whose sum is σ = 22001120160. Its totient is φ = 10999533792.

The previous prime is 16500070397. The next prime is 16500070403. The reversal of 16500070401 is 10407000561.

16500070401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 16500070401 - 2² = 16500070397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16500070403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45655 + ... + 187308.

It is an arithmetic number, because the mean of its divisors is an integer number (2750140020).

Almost surely, 2^16500070401 is an apocalyptic number.

It is an amenable number.

16500070401 is a deficient number, since it is larger than the sum of its proper divisors (5501049759).

16500070401 is a wasteful number, since it uses less digits than its factorization.

16500070401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256575.

The product of its (nonzero) digits is 840, while the sum is 24.

Adding to 16500070401 its reverse (10407000561), we get a palindrome (26907070962).

The spelling of 16500070401 in words is "sixteen billion, five hundred million, seventy thousand, four hundred one".