65626680 has 96 divisors (see below), whose sum is σ = 229044240. Its totient is φ = 14999040.

The previous prime is 65626663. The next prime is 65626727. The reversal of 65626680 is 8662656.

65626680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×65626680² = 8613722255644800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 300 + ... + 11460.

Almost surely, 2^65626680 is an apocalyptic number.

65626680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65626680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114522120).

65626680 is an abundant number, since it is smaller than the sum of its proper divisors (163417560).

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

65626680 is a wasteful number, since it uses less digits than its factorization.

65626680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11189 (or 11178 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 65626680 is about 8101.0295641974. The cubic root of 65626680 is about 403.3606034579.

The spelling of 65626680 in words is "sixty-five million, six hundred twenty-six thousand, six hundred eighty".