163532157 has 4 divisors (see below), whose sum is σ = 218042880. Its totient is φ = 109021436.

The previous prime is 163532153. The next prime is 163532179. The reversal of 163532157 is 751235361.

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 cyclic number.

It is not a de Polignac number, because 163532157 - 2² = 163532153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163532153) 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, 27255357 + ... + 27255362.

It is an arithmetic number, because the mean of its divisors is an integer number (54510720).

Almost surely, 2^163532157 is an apocalyptic number.

It is an amenable number.

163532157 is a deficient number, since it is larger than the sum of its proper divisors (54510723).

163532157 is an equidigital number, since it uses as much as digits as its factorization.

163532157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54510722.

The product of its digits is 18900, while the sum is 33.

The square root of 163532157 is about 12787.9692289276. The cubic root of 163532157 is about 546.8493770504.

The spelling of 163532157 in words is "one hundred sixty-three million, five hundred thirty-two thousand, one hundred fifty-seven".