91655220202 has 192 divisors, whose sum is σ = 190381605120. Its totient is φ = 32648749056.

The previous prime is 91655220161. The next prime is 91655220203. The reversal of 91655220202 is 20202255619.

It is not an unprimeable number, because it can be changed into a prime (91655220203) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 107450008 + ... + 107450860.

It is an arithmetic number, because the mean of its divisors is an integer number (991570860).

Almost surely, 2^91655220202 is an apocalyptic number.

91655220202 is an abundant number, since it is smaller than the sum of its proper divisors (98726384918).

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

91655220202 is a wasteful number, since it uses less digits than its factorization.

91655220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 91655220202 in words is "ninety-one billion, six hundred fifty-five million, two hundred twenty thousand, two hundred two".