162390713 has 4 divisors (see below), whose sum is σ = 162442020. Its totient is φ = 162339408.

The previous prime is 162390689. The next prime is 162390719. The reversal of 162390713 is 317093261.

It is a happy number.

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 95101504 + 67289209 = 9752^2 + 8203^2 .

It is a cyclic number.

It is not a de Polignac number, because 162390713 - 2⁸ = 162390457 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 162390713.

It is not an unprimeable number, because it can be changed into a prime (162390719) 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, 20570 + ... + 27347.

It is an arithmetic number, because the mean of its divisors is an integer number (40610505).

Almost surely, 2^162390713 is an apocalyptic number.

It is an amenable number.

162390713 is a deficient number, since it is larger than the sum of its proper divisors (51307).

162390713 is an equidigital number, since it uses as much as digits as its factorization.

162390713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51306.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 162390713 is about 12743.2614742067. The cubic root of 162390713 is about 545.5740807071.

The spelling of 162390713 in words is "one hundred sixty-two million, three hundred ninety thousand, seven hundred thirteen".