202117775275066 has 48 divisors (see below), whose sum is σ = 353017445184000. Its totient is φ = 86537779163808.

The previous prime is 202117775275033. The next prime is 202117775275093. The reversal of 202117775275066 is 660572577711202.

It is a super-2 number, since 2×202117775275066² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202117775275066.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1791783735 + ... + 1791896533.

It is an arithmetic number, because the mean of its divisors is an integer number (7354530108000).

Almost surely, 2^{202117775275066} is an apocalyptic number.

202117775275066 is a deficient number, since it is larger than the sum of its proper divisors (150899669908934).

202117775275066 is a wasteful number, since it uses less digits than its factorization.

202117775275066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130411 (or 130404 counting only the distinct ones).

The product of its (nonzero) digits is 17287200, while the sum is 58.

The spelling of 202117775275066 in words is "two hundred two trillion, one hundred seventeen billion, seven hundred seventy-five million, two hundred seventy-five thousand, sixty-six".