80135616 has 112 divisors (see below), whose sum is σ = 243596160. Its totient is φ = 22993920.

The previous prime is 80135609. The next prime is 80135623. The reversal of 80135616 is 61653108.

It is an interprime number because it is at equal distance from previous prime (80135609) and next prime (80135623).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39130 + ... + 41126.

Almost surely, 2^80135616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80135616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121798080).

80135616 is an abundant number, since it is smaller than the sum of its proper divisors (163460544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80135616 is a wasteful number, since it uses less digits than its factorization.

80135616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042 (or 2032 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 80135616 is about 8951.8498646928. The cubic root of 80135616 is about 431.1302803992.

The spelling of 80135616 in words is "eighty million, one hundred thirty-five thousand, six hundred sixteen".