169709540152 has 8 divisors (see below), whose sum is σ = 318205387800. Its totient is φ = 84854770072.

The previous prime is 169709540141. The next prime is 169709540213. The reversal of 169709540152 is 251045907961.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 169709540096 and 169709540105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10606846252 + ... + 10606846267.

It is an arithmetic number, because the mean of its divisors is an integer number (39775673475).

Almost surely, 2^169709540152 is an apocalyptic number.

It is an amenable number.

169709540152 is a deficient number, since it is larger than the sum of its proper divisors (148495847648).

169709540152 is a wasteful number, since it uses less digits than its factorization.

169709540152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21213692525 (or 21213692521 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 169709540152 in words is "one hundred sixty-nine billion, seven hundred nine million, five hundred forty thousand, one hundred fifty-two".