163497190 has 8 divisors (see below), whose sum is σ = 294294960. Its totient is φ = 65398872.

The previous prime is 163497181. The next prime is 163497197. The reversal of 163497190 is 91794361.

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

It is a super-2 number, since 2×163497190² = 53462662275792200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163497197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8174850 + ... + 8174869.

It is an arithmetic number, because the mean of its divisors is an integer number (36786870).

Almost surely, 2^163497190 is an apocalyptic number.

163497190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163497190 is a deficient number, since it is larger than the sum of its proper divisors (130797770).

163497190 is a wasteful number, since it uses less digits than its factorization.

163497190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16349726.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 163497190 is about 12786.6019723772. The cubic root of 163497190 is about 546.8103978764.

The spelling of 163497190 in words is "one hundred sixty-three million, four hundred ninety-seven thousand, one hundred ninety".