66203182146 has 8 divisors (see below), whose sum is σ = 132406364304. Its totient is φ = 22067727380.

The previous prime is 66203182099. The next prime is 66203182159. The reversal of 66203182146 is 64128130266.

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

66203182146 is an admirable number.

It is a super-2 number, since 2×66203182146² (a number of 22 digits) contains 22 as substring.

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, 5516931840 + ... + 5516931851.

It is an arithmetic number, because the mean of its divisors is an integer number (16550795538).

Almost surely, 2^66203182146 is an apocalyptic number.

66203182146 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.

66203182146 is a wasteful number, since it uses less digits than its factorization.

66203182146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11033863696.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 66203182146 in words is "sixty-six billion, two hundred three million, one hundred eighty-two thousand, one hundred forty-six".