662687241 has 8 divisors (see below), whose sum is σ = 885055584. Its totient is φ = 441055200.

The previous prime is 662687239. The next prime is 662687243. The reversal of 662687241 is 142786266.

It is an interprime number because it is at equal distance from previous prime (662687239) and next prime (662687243).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 662687241 - 2¹ = 662687239 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 662687193 and 662687202.

It is not an unprimeable number, because it can be changed into a prime (662687243) 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, 181971 + ... + 185576.

It is an arithmetic number, because the mean of its divisors is an integer number (110631948).

Almost surely, 2^662687241 is an apocalyptic number.

It is an amenable number.

662687241 is a deficient number, since it is larger than the sum of its proper divisors (222368343).

662687241 is a wasteful number, since it uses less digits than its factorization.

662687241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368151.

The product of its digits is 193536, while the sum is 42.

The square root of 662687241 is about 25742.7123862269. The cubic root of 662687241 is about 871.8388204923.

The spelling of 662687241 in words is "six hundred sixty-two million, six hundred eighty-seven thousand, two hundred forty-one".