66652410 has 96 divisors (see below), whose sum is σ = 186484032. Its totient is φ = 15068160.

The previous prime is 66652351. The next prime is 66652447. The reversal of 66652410 is 1425666.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 611436 + ... + 611544.

It is an arithmetic number, because the mean of its divisors is an integer number (1942542).

Almost surely, 2^66652410 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66652410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93242016).

66652410 is an abundant number, since it is smaller than the sum of its proper divisors (119831622).

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

66652410 is a wasteful number, since it uses less digits than its factorization.

66652410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 147 counting only the distinct ones).

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

The square root of 66652410 is about 8164.0927236283. The cubic root of 66652410 is about 405.4512270021.

The spelling of 66652410 in words is "sixty-six million, six hundred fifty-two thousand, four hundred ten".