662123241 has 72 divisors (see below), whose sum is σ = 1122278976. Its totient is φ = 389188800.

The previous prime is 662123221. The next prime is 662123257. The reversal of 662123241 is 142321266.

662123241 is a `hidden beast` number, since 6 + 621 + 2 + 32 + 4 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-662123241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (662123201) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 944191 + ... + 944891.

It is an arithmetic number, because the mean of its divisors is an integer number (15587208).

Almost surely, 2^662123241 is an apocalyptic number.

It is an amenable number.

662123241 is a deficient number, since it is larger than the sum of its proper divisors (460155735).

662123241 is a wasteful number, since it uses less digits than its factorization.

662123241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 740 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 662123241 is about 25731.7554978280. The cubic root of 662123241 is about 871.5914153680.

The spelling of 662123241 in words is "six hundred sixty-two million, one hundred twenty-three thousand, two hundred forty-one".