163231077 has 8 divisors (see below), whose sum is σ = 218673760. Its totient is φ = 108304560.

The previous prime is 163231067. The next prime is 163231157. The reversal of 163231077 is 770132361.

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

It is not a de Polignac number, because 163231077 - 2¹⁵ = 163198309 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 (163231007) 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, 128302 + ... + 129567.

It is an arithmetic number, because the mean of its divisors is an integer number (27334220).

Almost surely, 2^163231077 is an apocalyptic number.

It is an amenable number.

163231077 is a deficient number, since it is larger than the sum of its proper divisors (55442683).

163231077 is a wasteful number, since it uses less digits than its factorization.

163231077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258083.

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

The square root of 163231077 is about 12776.1918035070. The cubic root of 163231077 is about 546.5135683627.

The spelling of 163231077 in words is "one hundred sixty-three million, two hundred thirty-one thousand, seventy-seven".