201161796 has 24 divisors (see below), whose sum is σ = 512048544. Its totient is φ = 60958080.

The previous prime is 201161791. The next prime is 201161813. The reversal of 201161796 is 697161102.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (201161791) 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 7 ways as a sum of consecutive naturals, for example, 761845 + ... + 762108.

It is an arithmetic number, because the mean of its divisors is an integer number (21335356).

Almost surely, 2^201161796 is an apocalyptic number.

It is an amenable number.

201161796 is an abundant number, since it is smaller than the sum of its proper divisors (310886748).

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

201161796 is a wasteful number, since it uses less digits than its factorization.

201161796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523971 (or 1523969 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 201161796 is about 14183.1518358932. The cubic root of 201161796 is about 585.9337327559.

It can be divided in two parts, 20116 and 1796, that added together give a palindrome (21912).

The spelling of 201161796 in words is "two hundred one million, one hundred sixty-one thousand, seven hundred ninety-six".