65099016 has 96 divisors (see below), whose sum is σ = 193752000. Its totient is φ = 19654272.

The previous prime is 65098981. The next prime is 65099063. The reversal of 65099016 is 61099056.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 30430 + ... + 32498.

It is an arithmetic number, because the mean of its divisors is an integer number (2018250).

Almost surely, 2^65099016 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 65099016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96876000).

65099016 is an abundant number, since it is smaller than the sum of its proper divisors (128652984).

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

65099016 is a wasteful number, since it uses less digits than its factorization.

65099016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123 (or 2116 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 65099016 is about 8068.3961231462. The cubic root of 65099016 is about 402.2766344227.

The spelling of 65099016 in words is "sixty-five million, ninety-nine thousand, sixteen".