163601457 has 16 divisors (see below), whose sum is σ = 235824960. Its totient is φ = 100533312.

The previous prime is 163601453. The next prime is 163601519. The reversal of 163601457 is 754106361.

It is not a de Polignac number, because 163601457 - 2² = 163601453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163601453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36678 + ... + 40895.

It is an arithmetic number, because the mean of its divisors is an integer number (14739060).

Almost surely, 2^163601457 is an apocalyptic number.

It is an amenable number.

163601457 is a deficient number, since it is larger than the sum of its proper divisors (72223503).

163601457 is a wasteful number, since it uses less digits than its factorization.

163601457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77632.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 163601457 is about 12790.6785199222. The cubic root of 163601457 is about 546.9266122369.

The spelling of 163601457 in words is "one hundred sixty-three million, six hundred one thousand, four hundred fifty-seven".