163240077 has 64 divisors (see below), whose sum is σ = 307722240. Its totient is φ = 74131200.

The previous prime is 163240067. The next prime is 163240081. The reversal of 163240077 is 770042361.

It is not a de Polignac number, because 163240077 - 2¹² = 163235981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163240037) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55627 + ... + 58487.

It is an arithmetic number, because the mean of its divisors is an integer number (4808160).

Almost surely, 2^163240077 is an apocalyptic number.

It is an amenable number.

163240077 is a deficient number, since it is larger than the sum of its proper divisors (144482163).

163240077 is a wasteful number, since it uses less digits than its factorization.

163240077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 163240077 is about 12776.5440162823. The cubic root of 163240077 is about 546.5236124707.

The spelling of 163240077 in words is "one hundred sixty-three million, two hundred forty thousand, seventy-seven".