162323977477 has 4 divisors (see below), whose sum is σ = 163230815520. Its totient is φ = 161417139436.

The previous prime is 162323977433. The next prime is 162323977481. The reversal of 162323977477 is 774779323261.

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 a de Polignac number, because none of the positive numbers 2^k-162323977477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162323977177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453418753 + ... + 453419110.

It is an arithmetic number, because the mean of its divisors is an integer number (40807703880).

Almost surely, 2^162323977477 is an apocalyptic number.

It is an amenable number.

162323977477 is a deficient number, since it is larger than the sum of its proper divisors (906838043).

162323977477 is an equidigital number, since it uses as much as digits as its factorization.

162323977477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906838042.

The product of its digits is 18670176, while the sum is 58.

The spelling of 162323977477 in words is "one hundred sixty-two billion, three hundred twenty-three million, nine hundred seventy-seven thousand, four hundred seventy-seven".