80016501 has 8 divisors (see below), whose sum is σ = 112964544. Its totient is φ = 50206400.

The previous prime is 80016491. The next prime is 80016511. The reversal of 80016501 is 10561008.

It is an interprime number because it is at equal distance from previous prime (80016491) and next prime (80016511).

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 80016501 - 2⁶ = 80016437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80016511) 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, 784425 + ... + 784526.

It is an arithmetic number, because the mean of its divisors is an integer number (14120568).

Almost surely, 2^80016501 is an apocalyptic number.

It is an amenable number.

80016501 is a deficient number, since it is larger than the sum of its proper divisors (32948043).

80016501 is a wasteful number, since it uses less digits than its factorization.

80016501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568971.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 80016501 is about 8945.1942963806. The cubic root of 80016501 is about 430.9165612421.

Adding to 80016501 its reverse (10561008), we get a palindrome (90577509).

The spelling of 80016501 in words is "eighty million, sixteen thousand, five hundred one".