61316066 has 8 divisors (see below), whose sum is σ = 105113280. Its totient is φ = 26278308.

The previous prime is 61316051. The next prime is 61316077. The reversal of 61316066 is 66061316.

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

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, 2189846 + ... + 2189873.

It is an arithmetic number, because the mean of its divisors is an integer number (13139160).

Almost surely, 2^61316066 is an apocalyptic number.

61316066 is a deficient number, since it is larger than the sum of its proper divisors (43797214).

61316066 is a wasteful number, since it uses less digits than its factorization.

61316066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379728.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 61316066 is about 7830.4575856076. The cubic root of 61316066 is about 394.3284342621.

The spelling of 61316066 in words is "sixty-one million, three hundred sixteen thousand, sixty-six".