662245461 has 12 divisors (see below), whose sum is σ = 959146188. Its totient is φ = 440311104.

The previous prime is 662245459. The next prime is 662245469. The reversal of 662245461 is 164542266.

It can be written as a sum of positive squares in 2 ways, for example, as 540562500 + 121682961 = 23250^2 + 11031^2 .

It is not a de Polignac number, because 662245461 - 2¹ = 662245459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662245469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95280 + ... + 101993.

It is an arithmetic number, because the mean of its divisors is an integer number (79928849).

Almost surely, 2^662245461 is an apocalyptic number.

It is an amenable number.

662245461 is a deficient number, since it is larger than the sum of its proper divisors (296900727).

662245461 is a wasteful number, since it uses less digits than its factorization.

662245461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197652 (or 197649 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 662245461 is about 25734.1302747927. The cubic root of 662245461 is about 871.6450405052.

The spelling of 662245461 in words is "six hundred sixty-two million, two hundred forty-five thousand, four hundred sixty-one".