163044077 has 4 divisors (see below), whose sum is σ = 186336096. Its totient is φ = 139752060.

The previous prime is 163044047. The next prime is 163044103. The reversal of 163044077 is 770440361.

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 de Polignac number, because none of the positive numbers 2^k-163044077 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 (163044017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11645999 + ... + 11646012.

It is an arithmetic number, because the mean of its divisors is an integer number (46584024).

Almost surely, 2^163044077 is an apocalyptic number.

It is an amenable number.

163044077 is a deficient number, since it is larger than the sum of its proper divisors (23292019).

163044077 is an equidigital number, since it uses as much as digits as its factorization.

163044077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23292018.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 163044077 is about 12768.8714066671. The cubic root of 163044077 is about 546.3047905356.

The spelling of 163044077 in words is "one hundred sixty-three million, forty-four thousand, seventy-seven".