162378400061247 has 4 divisors (see below), whose sum is σ = 216504533415000. Its totient is φ = 108252266707496.

The previous prime is 162378400061159. The next prime is 162378400061291. The reversal of 162378400061247 is 742160004873261.

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

It is a cyclic number.

It is not a de Polignac number, because 162378400061247 - 2¹¹ = 162378400059199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162378400061247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162378400065247) 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, 27063066676872 + ... + 27063066676877.

It is an arithmetic number, because the mean of its divisors is an integer number (54126133353750).

Almost surely, 2^{162378400061247} is an apocalyptic number.

162378400061247 is a deficient number, since it is larger than the sum of its proper divisors (54126133353753).

162378400061247 is an equidigital number, since it uses as much as digits as its factorization.

162378400061247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54126133353752.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 162378400061247 in words is "one hundred sixty-two trillion, three hundred seventy-eight billion, four hundred million, sixty-one thousand, two hundred forty-seven".