165625050 has 48 divisors (see below), whose sum is σ = 434918592. Its totient is φ = 41568000.

The previous prime is 165625049. The next prime is 165625063. The reversal of 165625050 is 50526561.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 165624999 and 165625017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29926 + ... + 35025.

It is an arithmetic number, because the mean of its divisors is an integer number (9060804).

Almost surely, 2^165625050 is an apocalyptic number.

165625050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165625050 is an abundant number, since it is smaller than the sum of its proper divisors (269293542).

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

165625050 is a wasteful number, since it uses less digits than its factorization.

165625050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64983 (or 64978 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 165625050 is about 12869.5396188053. The cubic root of 165625050 is about 549.1723640196.

It can be divided in two parts, 16562 and 5050, that added together give a palindrome (21612).

The spelling of 165625050 in words is "one hundred sixty-five million, six hundred twenty-five thousand, fifty".