163247044 has 6 divisors (see below), whose sum is σ = 285682334. Its totient is φ = 81623520.

The previous prime is 163247017. The next prime is 163247057. The reversal of 163247044 is 440742361.

It can be written as a sum of positive squares in only one way, i.e., 155750400 + 7496644 = 12480^2 + 2738^2 .

It is a junction number, because it is equal to n+sod(n) for n = 163246997 and 163247015.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20405877 + ... + 20405884.

Almost surely, 2^163247044 is an apocalyptic number.

It is an amenable number.

163247044 is a deficient number, since it is larger than the sum of its proper divisors (122435290).

163247044 is a wasteful number, since it uses less digits than its factorization.

163247044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40811765 (or 40811763 counting only the distinct ones).

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

The square root of 163247044 is about 12776.8166614380. The cubic root of 163247044 is about 546.5313874728.

The spelling of 163247044 in words is "one hundred sixty-three million, two hundred forty-seven thousand, forty-four".