163442470 has 8 divisors (see below), whose sum is σ = 294196464. Its totient is φ = 65376984.

The previous prime is 163442467. The next prime is 163442473. The reversal of 163442470 is 74244361.

It is an interprime number because it is at equal distance from previous prime (163442467) and next prime (163442473).

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 (163442473) 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, 8172114 + ... + 8172133.

It is an arithmetic number, because the mean of its divisors is an integer number (36774558).

Almost surely, 2^163442470 is an apocalyptic number.

163442470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163442470 is a deficient number, since it is larger than the sum of its proper divisors (130753994).

163442470 is a wasteful number, since it uses less digits than its factorization.

163442470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16344254.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 163442470 is about 12784.4620536024. The cubic root of 163442470 is about 546.7493880538.

The spelling of 163442470 in words is "one hundred sixty-three million, four hundred forty-two thousand, four hundred seventy".