16000501 has 4 divisors (see below), whose sum is σ = 17455104. Its totient is φ = 14545900.

The previous prime is 16000499. The next prime is 16000507. The reversal of 16000501 is 10500061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16000501 - 2¹ = 16000499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16000507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727285 + ... + 727306.

It is an arithmetic number, because the mean of its divisors is an integer number (4363776).

Almost surely, 2^16000501 is an apocalyptic number.

16000501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16000501 is a deficient number, since it is larger than the sum of its proper divisors (1454603).

16000501 is a wasteful number, since it uses less digits than its factorization.

16000501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454602.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 16000501 is about 4000.0626245098. The cubic root of 16000501 is about 251.9868400367.

Adding to 16000501 its reverse (10500061), we get a palindrome (26500562).

The spelling of 16000501 in words is "sixteen million, five hundred one", and thus it is an aban number.