161254050 has 24 divisors (see below), whose sum is σ = 399910416. Its totient is φ = 43001040.

The previous prime is 161254043. The next prime is 161254063. The reversal of 161254050 is 50452161.

It is a self number, because there is not a number n which added to its sum of digits gives 161254050.

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, 537364 + ... + 537663.

It is an arithmetic number, because the mean of its divisors is an integer number (16662934).

Almost surely, 2^161254050 is an apocalyptic number.

161254050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161254050 is an abundant number, since it is smaller than the sum of its proper divisors (238656366).

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

161254050 is a wasteful number, since it uses less digits than its factorization.

161254050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075042 (or 1075037 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 161254050 is about 12698.5845667933. The cubic root of 161254050 is about 544.2981735651.

The spelling of 161254050 in words is "one hundred sixty-one million, two hundred fifty-four thousand, fifty".