163242974 has 8 divisors (see below), whose sum is σ = 245433888. Its totient is φ = 81431680.

The previous prime is 163242971. The next prime is 163242977. The reversal of 163242974 is 479242361.

It is an interprime number because it is at equal distance from previous prime (163242971) and next prime (163242977).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163242971) 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, 93827 + ... + 95550.

It is an arithmetic number, because the mean of its divisors is an integer number (30679236).

Almost surely, 2^163242974 is an apocalyptic number.

163242974 is a deficient number, since it is larger than the sum of its proper divisors (82190914).

163242974 is a wasteful number, since it uses less digits than its factorization.

163242974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189810.

The product of its digits is 72576, while the sum is 38.

The square root of 163242974 is about 12776.6573875956. The cubic root of 163242974 is about 546.5268454789.

The spelling of 163242974 in words is "one hundred sixty-three million, two hundred forty-two thousand, nine hundred seventy-four".