202768644706512 has 40 divisors (see below), whose sum is σ = 524003898223104. Its totient is φ = 67565690248704.

The previous prime is 202768644706493. The next prime is 202768644706513. The reversal of 202768644706512 is 215607446867202.

It is a super-2 number, since 2×202768644706512² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202768644706513) 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, 745424688 + ... + 745696655.

Almost surely, 2^{202768644706512} is an apocalyptic number.

It is an amenable number.

202768644706512 is an abundant number, since it is smaller than the sum of its proper divisors (321235253516592).

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

202768644706512 is a wasteful number, since it uses less digits than its factorization.

202768644706512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491124187 (or 1491124181 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 60.

The spelling of 202768644706512 in words is "two hundred two trillion, seven hundred sixty-eight billion, six hundred forty-four million, seven hundred six thousand, five hundred twelve".