162115622477 has 4 divisors (see below), whose sum is σ = 170648023680. Its totient is φ = 153583221276.

The previous prime is 162115622467. The next prime is 162115622533. The reversal of 162115622477 is 774226511261.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 162115622477 - 2⁶ = 162115622413 is a prime.

It is a super-2 number, since 2×162115622477² (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 (162115622447) 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, 4266200573 + ... + 4266200610.

It is an arithmetic number, because the mean of its divisors is an integer number (42662005920).

Almost surely, 2^162115622477 is an apocalyptic number.

It is an amenable number.

162115622477 is a deficient number, since it is larger than the sum of its proper divisors (8532401203).

162115622477 is an equidigital number, since it uses as much as digits as its factorization.

162115622477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8532401202.

The product of its digits is 282240, while the sum is 44.

The spelling of 162115622477 in words is "one hundred sixty-two billion, one hundred fifteen million, six hundred twenty-two thousand, four hundred seventy-seven".