161035950 has 24 divisors (see below), whose sum is σ = 399369528. Its totient is φ = 42942880.

The previous prime is 161035939. The next prime is 161035969. The reversal of 161035950 is 59530161.

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

It is a Curzon number.

It is a congruent number.

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, 536637 + ... + 536936.

It is an arithmetic number, because the mean of its divisors is an integer number (16640397).

Almost surely, 2^161035950 is an apocalyptic number.

161035950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161035950 is an abundant number, since it is smaller than the sum of its proper divisors (238333578).

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

161035950 is a wasteful number, since it uses less digits than its factorization.

161035950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073588 (or 1073583 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 161035950 is about 12689.9940898331. The cubic root of 161035950 is about 544.0526707040.

The spelling of 161035950 in words is "one hundred sixty-one million, thirty-five thousand, nine hundred fifty".