146664535678 has 16 divisors (see below), whose sum is σ = 227594746080. Its totient is φ = 70799883616.

The previous prime is 146664535673. The next prime is 146664535679. The reversal of 146664535678 is 876535466641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146664535673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1300575 + ... + 1408837.

It is an arithmetic number, because the mean of its divisors is an integer number (14224671630).

Almost surely, 2^146664535678 is an apocalyptic number.

146664535678 is a deficient number, since it is larger than the sum of its proper divisors (80930210402).

146664535678 is a wasteful number, since it uses less digits than its factorization.

146664535678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131651.

The product of its digits is 87091200, while the sum is 61.

The spelling of 146664535678 in words is "one hundred forty-six billion, six hundred sixty-four million, five hundred thirty-five thousand, six hundred seventy-eight".