662667241157 has 2 divisors, whose sum is σ = 662667241158. Its totient is φ = 662667241156.

The previous prime is 662667241153. The next prime is 662667241177. The reversal of 662667241157 is 751142766266.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 657965944801 + 4701296356 = 811151^2 + 68566^2 .

It is a cyclic number.

It is not a de Polignac number, because 662667241157 - 2² = 662667241153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 662667241099 and 662667241108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662667241153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331333620578 + 331333620579.

It is an arithmetic number, because the mean of its divisors is an integer number (331333620579).

Almost surely, 2^662667241157 is an apocalyptic number.

It is an amenable number.

662667241157 is a deficient number, since it is larger than the sum of its proper divisors (1).

662667241157 is an equidigital number, since it uses as much as digits as its factorization.

662667241157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 53.

The spelling of 662667241157 in words is "six hundred sixty-two billion, six hundred sixty-seven million, two hundred forty-one thousand, one hundred fifty-seven".