163264442 has 32 divisors (see below), whose sum is σ = 279949824. Its totient is φ = 70686000.

The previous prime is 163264411. The next prime is 163264459. The reversal of 163264442 is 244462361.

It is a junction number, because it is equal to n+sod(n) for n = 163264399 and 163264408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154817 + ... + 155867.

It is an arithmetic number, because the mean of its divisors is an integer number (8748432).

Almost surely, 2^163264442 is an apocalyptic number.

163264442 is a deficient number, since it is larger than the sum of its proper divisors (116685382).

163264442 is a wasteful number, since it uses less digits than its factorization.

163264442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394.

The product of its digits is 27648, while the sum is 32.

The square root of 163264442 is about 12777.4974858147. The cubic root of 163264442 is about 546.5508022507.

The spelling of 163264442 in words is "one hundred sixty-three million, two hundred sixty-four thousand, four hundred forty-two".