65566550146 has 8 divisors (see below), whose sum is σ = 98353707840. Its totient is φ = 32781980868.

The previous prime is 65566550143. The next prime is 65566550221. The reversal of 65566550146 is 64105566556.

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

It is a self number, because there is not a number n which added to its sum of digits gives 65566550146.

It is not an unprimeable number, because it can be changed into a prime (65566550143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582486 + ... + 685873.

It is an arithmetic number, because the mean of its divisors is an integer number (12294213480).

Almost surely, 2^65566550146 is an apocalyptic number.

65566550146 is a deficient number, since it is larger than the sum of its proper divisors (32787157694).

65566550146 is a wasteful number, since it uses less digits than its factorization.

65566550146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294208.

The product of its (nonzero) digits is 3240000, while the sum is 49.

The spelling of 65566550146 in words is "sixty-five billion, five hundred sixty-six million, five hundred fifty thousand, one hundred forty-six".