169429056 has 56 divisors (see below), whose sum is σ = 459236064. Its totient is φ = 55096320.

The previous prime is 169429019. The next prime is 169429067. The reversal of 169429056 is 650924961.

It is a happy number.

It is a super-2 number, since 2×169429056² = 57412410034102272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 169428999 and 169429017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2890 + ... + 18633.

It is an arithmetic number, because the mean of its divisors is an integer number (8200644).

Almost surely, 2^169429056 is an apocalyptic number.

169429056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

169429056 is an abundant number, since it is smaller than the sum of its proper divisors (289807008).

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

169429056 is a wasteful number, since it uses less digits than its factorization.

169429056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21579 (or 21569 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 169429056 is about 13016.4916932329. The cubic root of 169429056 is about 553.3449664495.

The spelling of 169429056 in words is "one hundred sixty-nine million, four hundred twenty-nine thousand, fifty-six".