146612505216641 has 4 divisors (see below), whose sum is σ = 148064114179284. Its totient is φ = 145160896254000.

The previous prime is 146612505216607. The next prime is 146612505216689.

146612505216641 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80979823256641 + 65632681960000 = 8998879^2 + 8101400^2 .

It is a cyclic number.

It is not a de Polignac number, because 146612505216641 - 2⁶ = 146612505216577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146612505216641.

It is not an unprimeable number, because it can be changed into a prime (146612505216841) 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, 725804481170 + ... + 725804481371.

It is an arithmetic number, because the mean of its divisors is an integer number (37016028544821).

Almost surely, 2^{146612505216641} is an apocalyptic number.

It is an amenable number.

146612505216641 is a deficient number, since it is larger than the sum of its proper divisors (1451608962643).

146612505216641 is a wasteful number, since it uses less digits than its factorization.

146612505216641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451608962642.

The product of its (nonzero) digits is 2073600, while the sum is 50.

It can be divided in two parts, 14661250 and 5216641, that added together give a palindrome (19877891).

The spelling of 146612505216641 in words is "one hundred forty-six trillion, six hundred twelve billion, five hundred five million, two hundred sixteen thousand, six hundred forty-one".