169148036 has 6 divisors (see below), whose sum is σ = 296009070. Its totient is φ = 84574016.

The previous prime is 169147987. The next prime is 169148041. The reversal of 169148036 is 630841961.

It can be written as a sum of positive squares in only one way, i.e., 154753600 + 14394436 = 12440^2 + 3794^2 .

It is a super-2 number, since 2×169148036² = 57222116165314592, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21143501 + ... + 21143508.

It is an arithmetic number, because the mean of its divisors is an integer number (49334845).

Almost surely, 2^169148036 is an apocalyptic number.

It is an amenable number.

169148036 is a deficient number, since it is larger than the sum of its proper divisors (126861034).

169148036 is a wasteful number, since it uses less digits than its factorization.

169148036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42287013 (or 42287011 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 169148036 is about 13005.6924460023. The cubic root of 169148036 is about 553.0388657560.

Adding to 169148036 its reverse (630841961), we get a palindrome (799989997).

The spelling of 169148036 in words is "one hundred sixty-nine million, one hundred forty-eight thousand, thirty-six".