169250072 has 16 divisors (see below), whose sum is σ = 319293240. Its totient is φ = 84105216.

The previous prime is 169250071. The next prime is 169250083. The reversal of 169250072 is 270052961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169250071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63593 + ... + 66200.

Almost surely, 2^169250072 is an apocalyptic number.

It is an amenable number.

169250072 is a deficient number, since it is larger than the sum of its proper divisors (150043168).

169250072 is a wasteful number, since it uses less digits than its factorization.

169250072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129962 (or 129958 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 169250072 is about 13009.6145984422. The cubic root of 169250072 is about 553.1500475193.

The spelling of 169250072 in words is "one hundred sixty-nine million, two hundred fifty thousand, seventy-two".