162402643 has 4 divisors (see below), whose sum is σ = 174895168. Its totient is φ = 149910120.

The previous prime is 162402641. The next prime is 162402689. The reversal of 162402643 is 346204261.

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 162402643 - 2¹ = 162402641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162402641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6246243 + ... + 6246268.

It is an arithmetic number, because the mean of its divisors is an integer number (43723792).

Almost surely, 2^162402643 is an apocalyptic number.

162402643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

162402643 is a deficient number, since it is larger than the sum of its proper divisors (12492525).

162402643 is a wasteful number, since it uses less digits than its factorization.

162402643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12492524.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 162402643 is about 12743.7295561386. The cubic root of 162402643 is about 545.5874405421.

The spelling of 162402643 in words is "one hundred sixty-two million, four hundred two thousand, six hundred forty-three".