200161764 has 36 divisors (see below), whose sum is σ = 551962320. Its totient is φ = 60654960.

The previous prime is 200161739. The next prime is 200161769. The reversal of 200161764 is 467161002.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (200161769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252334 + ... + 253125.

Almost surely, 2^200161764 is an apocalyptic number.

It is an amenable number.

200161764 is an abundant number, since it is smaller than the sum of its proper divisors (351800556).

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

200161764 is a wasteful number, since it uses less digits than its factorization.

200161764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505480 (or 505475 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 200161764 is about 14147.8536888109. The cubic root of 200161764 is about 584.9611720887.

The spelling of 200161764 in words is "two hundred million, one hundred sixty-one thousand, seven hundred sixty-four".