162813157847 has 4 divisors (see below), whose sum is σ = 163336673136. Its totient is φ = 162289642560.

The previous prime is 162813157817. The next prime is 162813157879. The reversal of 162813157847 is 748751318261.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162813157847 is a prime.

It is a super-2 number, since 2×162813157847² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162813157817) 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, 261757178 + ... + 261757799.

It is an arithmetic number, because the mean of its divisors is an integer number (40834168284).

Almost surely, 2^162813157847 is an apocalyptic number.

162813157847 is a deficient number, since it is larger than the sum of its proper divisors (523515289).

162813157847 is an equidigital number, since it uses as much as digits as its factorization.

162813157847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523515288.

The product of its digits is 2257920, while the sum is 53.

The spelling of 162813157847 in words is "one hundred sixty-two billion, eight hundred thirteen million, one hundred fifty-seven thousand, eight hundred forty-seven".