65016624 has 40 divisors (see below), whose sum is σ = 169542720. Its totient is φ = 21467968.

The previous prime is 65016583. The next prime is 65016661. The reversal of 65016624 is 42661056.

It is a super-2 number, since 2×65016624² = 8454322792714752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65016591 and 65016600.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1194 + ... + 11465.

It is an arithmetic number, because the mean of its divisors is an integer number (4238568).

Almost surely, 2^65016624 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 65016624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84771360).

65016624 is an abundant number, since it is smaller than the sum of its proper divisors (104526096).

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

65016624 is a wasteful number, since it uses less digits than its factorization.

65016624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12777 (or 12771 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 65016624 is about 8063.2886591018. The cubic root of 65016624 is about 402.1068501397.

The spelling of 65016624 in words is "sixty-five million, sixteen thousand, six hundred twenty-four".