163247072 has 12 divisors (see below), whose sum is σ = 321392736. Its totient is φ = 81623520.

The previous prime is 163247059. The next prime is 163247081. The reversal of 163247072 is 270742361.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 5101471 = 163247072 / (1 + 6 + 3 + 2 + 4 + 7 + 0 + 7 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550704 + ... + 2550767.

It is an arithmetic number, because the mean of its divisors is an integer number (26782728).

Almost surely, 2^163247072 is an apocalyptic number.

It is an amenable number.

163247072 is a deficient number, since it is larger than the sum of its proper divisors (158145664).

163247072 is an equidigital number, since it uses as much as digits as its factorization.

163247072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101481 (or 5101473 counting only the distinct ones).

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

The square root of 163247072 is about 12776.8177571726. The cubic root of 163247072 is about 546.5314187197.

The spelling of 163247072 in words is "one hundred sixty-three million, two hundred forty-seven thousand, seventy-two".