169040050 has 24 divisors (see below), whose sum is σ = 322915716. Its totient is φ = 65787840.

The previous prime is 169040029. The next prime is 169040071. The reversal of 169040050 is 50040961.

It is an interprime number because it is at equal distance from previous prime (169040029) and next prime (169040071).

It can be written as a sum of positive squares in 6 ways, for example, as 149157369 + 19882681 = 12213^2 + 4459^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a junction number, because it is equal to n+sod(n) for n = 169039997 and 169040024.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43837 + ... + 47536.

Almost surely, 2^169040050 is an apocalyptic number.

169040050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

169040050 is a deficient number, since it is larger than the sum of its proper divisors (153875666).

169040050 is a wasteful number, since it uses less digits than its factorization.

169040050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91422 (or 91417 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 169040050 is about 13001.5402933652. The cubic root of 169040050 is about 552.9211519679.

The spelling of 169040050 in words is "one hundred sixty-nine million, forty thousand, fifty".