146686220806 has 8 divisors (see below), whose sum is σ = 220652644824. Its totient is φ = 73135339200.

The previous prime is 146686220801. The next prime is 146686220897. The reversal of 146686220806 is 608022686641.

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 146686220806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146686220801) 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, 103884720 + ... + 103886131.

It is an arithmetic number, because the mean of its divisors is an integer number (27581580603).

Almost surely, 2^146686220806 is an apocalyptic number.

146686220806 is a deficient number, since it is larger than the sum of its proper divisors (73966424018).

146686220806 is a wasteful number, since it uses less digits than its factorization.

146686220806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207771206.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 146686220806 in words is "one hundred forty-six billion, six hundred eighty-six million, two hundred twenty thousand, eight hundred six".