162104477 has 2 divisors, whose sum is σ = 162104478. Its totient is φ = 162104476.

The previous prime is 162104443. The next prime is 162104479. The reversal of 162104477 is 774401261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109599961 + 52504516 = 10469^2 + 7246^2 .

It is an emirp because it is prime and its reverse (774401261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162104477 - 2¹⁰ = 162103453 is a prime.

It is a super-2 number, since 2×162104477² = 52555722926887058, which contains 22 as substring.

Together with 162104479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162104479) 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 as a sum of consecutive naturals, namely, 81052238 + 81052239.

It is an arithmetic number, because the mean of its divisors is an integer number (81052239).

Almost surely, 2^162104477 is an apocalyptic number.

It is an amenable number.

162104477 is a deficient number, since it is larger than the sum of its proper divisors (1).

162104477 is an equidigital number, since it uses as much as digits as its factorization.

162104477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 162104477 is about 12732.0256440207. The cubic root of 162104477 is about 545.2533423624.

The spelling of 162104477 in words is "one hundred sixty-two million, one hundred four thousand, four hundred seventy-seven".