162903393 has 20 divisors (see below), whose sum is σ = 249014128. Its totient is φ = 106074360.

The previous prime is 162903379. The next prime is 162903409. The reversal of 162903393 is 393309261.

It is a happy number.

It is not a de Polignac number, because 162903393 - 2⁵ = 162903361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162903343) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19903 + ... + 26868.

Almost surely, 2^162903393 is an apocalyptic number.

It is an amenable number.

162903393 is a deficient number, since it is larger than the sum of its proper divisors (86110735).

162903393 is an equidigital number, since it uses as much as digits as its factorization.

162903393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46826 (or 46817 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 162903393 is about 12763.3613519323. The cubic root of 162903393 is about 546.1476173741.

It can be divided in two parts, 16290 and 3393, that added together give a 9-th power (19683 = 3⁹).

The spelling of 162903393 in words is "one hundred sixty-two million, nine hundred three thousand, three hundred ninety-three".