161748788 has 12 divisors (see below), whose sum is σ = 295367520. Its totient is φ = 77358072.

The previous prime is 161748781. The next prime is 161748791. The reversal of 161748788 is 887847161.

161748788 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161748781) 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, 878978 + ... + 879161.

It is an arithmetic number, because the mean of its divisors is an integer number (24613960).

Almost surely, 2^161748788 is an apocalyptic number.

It is an amenable number.

161748788 is a deficient number, since it is larger than the sum of its proper divisors (133618732).

161748788 is a wasteful number, since it uses less digits than its factorization.

161748788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758166 (or 1758164 counting only the distinct ones).

The product of its digits is 602112, while the sum is 50.

The square root of 161748788 is about 12718.0496932509. The cubic root of 161748788 is about 544.8542527531.

It can be divided in two parts, 1617 and 48788, that added together give a palindrome (50405).

The spelling of 161748788 in words is "one hundred sixty-one million, seven hundred forty-eight thousand, seven hundred eighty-eight".