161506050 has 24 divisors (see below), whose sum is σ = 400535376. Its totient is φ = 43068240.

The previous prime is 161506039. The next prime is 161506091. The reversal of 161506050 is 50605161.

It is a self number, because there is not a number n which added to its sum of digits gives 161506050.

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, 538204 + ... + 538503.

It is an arithmetic number, because the mean of its divisors is an integer number (16688974).

Almost surely, 2^161506050 is an apocalyptic number.

161506050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161506050 is an abundant number, since it is smaller than the sum of its proper divisors (239029326).

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

161506050 is a wasteful number, since it uses less digits than its factorization.

161506050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076722 (or 1076717 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 161506050 is about 12708.5030589759. The cubic root of 161506050 is about 544.5815602482.

The spelling of 161506050 in words is "one hundred sixty-one million, five hundred six thousand, fifty".