1646230423064 has 8 divisors (see below), whose sum is σ = 3086682043260. Its totient is φ = 823115211528.

The previous prime is 1646230423051. The next prime is 1646230423067. The reversal of 1646230423064 is 4603240326461.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1646230423067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102889401434 + ... + 102889401449.

Almost surely, 2^{1646230423064} is an apocalyptic number.

It is an amenable number.

1646230423064 is a deficient number, since it is larger than the sum of its proper divisors (1440451620196).

1646230423064 is a wasteful number, since it uses less digits than its factorization.

1646230423064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205778802889 (or 205778802885 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 1646230423064 in words is "one trillion, six hundred forty-six billion, two hundred thirty million, four hundred twenty-three thousand, sixty-four".