202620664662 has 16 divisors (see below), whose sum is σ = 436413739440. Its totient is φ = 62344819872.

The previous prime is 202620664643. The next prime is 202620664667. The reversal of 202620664662 is 266466026202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202620664667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1298850337 + ... + 1298850492.

It is an arithmetic number, because the mean of its divisors is an integer number (27275858715).

Almost surely, 2^202620664662 is an apocalyptic number.

202620664662 is an abundant number, since it is smaller than the sum of its proper divisors (233793074778).

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

202620664662 is a wasteful number, since it uses less digits than its factorization.

202620664662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597700847.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 202620664662 in words is "two hundred two billion, six hundred twenty million, six hundred sixty-four thousand, six hundred sixty-two".