80016519 has 8 divisors (see below), whose sum is σ = 116387712. Its totient is φ = 48494840.

The previous prime is 80016511. The next prime is 80016529. The reversal of 80016519 is 91561008.

It is a happy number.

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 80016519 - 2³ = 80016511 is a prime.

It is a super-2 number, since 2×80016519² = 12805286625754722, which contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212339 + ... + 1212404.

It is an arithmetic number, because the mean of its divisors is an integer number (14548464).

Almost surely, 2^80016519 is an apocalyptic number.

80016519 is a deficient number, since it is larger than the sum of its proper divisors (36371193).

80016519 is a wasteful number, since it uses less digits than its factorization.

80016519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424757.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 80016519 is about 8945.1953025074. The cubic root of 80016519 is about 430.9165935542.

The spelling of 80016519 in words is "eighty million, sixteen thousand, five hundred nineteen".