146643640726 has 16 divisors (see below), whose sum is σ = 252591917760. Its totient is φ = 63147979080.

The previous prime is 146643640723. The next prime is 146643640739. The reversal of 146643640726 is 627046346641.

It is a self number, because there is not a number n which added to its sum of digits gives 146643640726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146643640723) 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, 175410636 + ... + 175411471.

It is an arithmetic number, because the mean of its divisors is an integer number (15786994860).

Almost surely, 2^146643640726 is an apocalyptic number.

146643640726 is a deficient number, since it is larger than the sum of its proper divisors (105948277034).

146643640726 is a wasteful number, since it uses less digits than its factorization.

146643640726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350822139.

The product of its (nonzero) digits is 3483648, while the sum is 49.

The spelling of 146643640726 in words is "one hundred forty-six billion, six hundred forty-three million, six hundred forty thousand, seven hundred twenty-six".