169156036 has 27 divisors (see below), whose sum is σ = 344724429. Its totient is φ = 72417408.

The previous prime is 169156003. The next prime is 169156051. The reversal of 169156036 is 630651961.

The square root of 169156036 is 13006.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3261636 + 165894400 = 1806^2 + 12880^2 .

It is a super-2 number, since 2×169156036² = 57227529030466592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 169155986 and 169156004.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 181620 + ... + 182548.

Almost surely, 2^169156036 is an apocalyptic number.

169156036 is the 13006-th square number.

It is an amenable number.

169156036 is an abundant number, since it is smaller than the sum of its proper divisors (175568393).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169156036 is an frugal number, since it uses more digits than its factorization.

169156036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The cubic root of 169156036 is about 553.0475844328.

The spelling of 169156036 in words is "one hundred sixty-nine million, one hundred fifty-six thousand, thirty-six".