61066208 has 48 divisors (see below), whose sum is σ = 138257280. Its totient is φ = 26007936.

The previous prime is 61066189. The next prime is 61066211. The reversal of 61066208 is 80266016.

It is a congruent number.

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, 39335 + ... + 40857.

It is an arithmetic number, because the mean of its divisors is an integer number (2880360).

Almost surely, 2^61066208 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 61066208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69128640).

61066208 is an abundant number, since it is smaller than the sum of its proper divisors (77191072).

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

61066208 is a wasteful number, since it uses less digits than its factorization.

61066208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719 (or 1711 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 61066208 is about 7814.4870593021. The cubic root of 61066208 is about 393.7920862716.

The spelling of 61066208 in words is "sixty-one million, sixty-six thousand, two hundred eight".