201682626321 has 16 divisors (see below), whose sum is σ = 293365214208. Its totient is φ = 122228283600.

The previous prime is 201682626289. The next prime is 201682626329. The reversal of 201682626321 is 123626286102.

It is not a de Polignac number, because 201682626321 - 2⁵ = 201682626289 is a prime.

It is a super-2 number, since 2×201682626321² (a number of 23 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 201682626321.

It is not an unprimeable number, because it can be changed into a prime (201682626329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1421476 + ... + 1556906.

It is an arithmetic number, because the mean of its divisors is an integer number (18335325888).

Almost surely, 2^201682626321 is an apocalyptic number.

It is an amenable number.

201682626321 is a deficient number, since it is larger than the sum of its proper divisors (91682587887).

201682626321 is a wasteful number, since it uses less digits than its factorization.

201682626321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180572.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 201682626321 in words is "two hundred one billion, six hundred eighty-two million, six hundred twenty-six thousand, three hundred twenty-one".