163321077 has 8 divisors (see below), whose sum is σ = 218867616. Its totient is φ = 108327632.

The previous prime is 163321049. The next prime is 163321097. The reversal of 163321077 is 770123361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163321077 - 2⁶ = 163321013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163321097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137583 + ... + 138764.

It is an arithmetic number, because the mean of its divisors is an integer number (27358452).

Almost surely, 2^163321077 is an apocalyptic number.

It is an amenable number.

163321077 is a deficient number, since it is larger than the sum of its proper divisors (55546539).

163321077 is a wasteful number, since it uses less digits than its factorization.

163321077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276547.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 163321077 is about 12779.7134944411. The cubic root of 163321077 is about 546.6139928344.

The spelling of 163321077 in words is "one hundred sixty-three million, three hundred twenty-one thousand, seventy-seven".