662081522051 has 4 divisors (see below), whose sum is σ = 662253629232. Its totient is φ = 661909414872.

The previous prime is 662081522027. The next prime is 662081522071. The reversal of 662081522051 is 150225180266.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 662081522051 - 2²⁶ = 662014413187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 662081521996 and 662081522014.

It is not an unprimeable number, because it can be changed into a prime (662081522071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86047820 + ... + 86055513.

It is an arithmetic number, because the mean of its divisors is an integer number (165563407308).

Almost surely, 2^662081522051 is an apocalyptic number.

662081522051 is a deficient number, since it is larger than the sum of its proper divisors (172107181).

662081522051 is a wasteful number, since it uses less digits than its factorization.

662081522051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172107180.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 662081522051 in words is "six hundred sixty-two billion, eighty-one million, five hundred twenty-two thousand, fifty-one".