163742270 has 8 divisors (see below), whose sum is σ = 294736104. Its totient is φ = 65496904.

The previous prime is 163742261. The next prime is 163742291. The reversal of 163742270 is 72247361.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8187104 + ... + 8187123.

It is an arithmetic number, because the mean of its divisors is an integer number (36842013).

Almost surely, 2^163742270 is an apocalyptic number.

163742270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163742270 is a deficient number, since it is larger than the sum of its proper divisors (130993834).

163742270 is a wasteful number, since it uses less digits than its factorization.

163742270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16374234.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 163742270 is about 12796.1818524121. The cubic root of 163742270 is about 547.0834818504.

The spelling of 163742270 in words is "one hundred sixty-three million, seven hundred forty-two thousand, two hundred seventy".