61008666 has 8 divisors (see below), whose sum is σ = 122017344. Its totient is φ = 20336220.

The previous prime is 61008653. The next prime is 61008683. The reversal of 61008666 is 66680016.

It is a sphenic number, since it is the product of 3 distinct primes.

61008666 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5084050 + ... + 5084061.

It is an arithmetic number, because the mean of its divisors is an integer number (15252168).

Almost surely, 2^61008666 is an apocalyptic number.

61008666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61008666 is a wasteful number, since it uses less digits than its factorization.

61008666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10168116.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 61008666 is about 7810.8044400049. The cubic root of 61008666 is about 393.6683587852.

The spelling of 61008666 in words is "sixty-one million, eight thousand, six hundred sixty-six".