163391149 has 8 divisors (see below), whose sum is σ = 175104000. Its totient is φ = 152062416.

The previous prime is 163391147. The next prime is 163391153. The reversal of 163391149 is 941193361.

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 163391149 - 2¹ = 163391147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163391147) 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, 95149 + ... + 96850.

It is an arithmetic number, because the mean of its divisors is an integer number (21888000).

Almost surely, 2^163391149 is an apocalyptic number.

It is an amenable number.

163391149 is a deficient number, since it is larger than the sum of its proper divisors (11712851).

163391149 is a wasteful number, since it uses less digits than its factorization.

163391149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192059.

The product of its digits is 17496, while the sum is 37.

The square root of 163391149 is about 12782.4547329533. The cubic root of 163391149 is about 546.6921555552.

The spelling of 163391149 in words is "one hundred sixty-three million, three hundred ninety-one thousand, one hundred forty-nine".