662253644 has 24 divisors (see below), whose sum is σ = 1249899840. Its totient is φ = 305213184.

The previous prime is 662253643. The next prime is 662253653. The reversal of 662253644 is 446352266.

It is a junction number, because it is equal to n+sod(n) for n = 662253598 and 662253607.

It is not an unprimeable number, because it can be changed into a prime (662253643) 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, 28532 + ... + 46244.

It is an arithmetic number, because the mean of its divisors is an integer number (52079160).

Almost surely, 2^662253644 is an apocalyptic number.

It is an amenable number.

662253644 is a deficient number, since it is larger than the sum of its proper divisors (587646196).

662253644 is a wasteful number, since it uses less digits than its factorization.

662253644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18449 (or 18447 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 662253644 is about 25734.2892654917. The cubic root of 662253644 is about 871.6486306353.

The spelling of 662253644 in words is "six hundred sixty-two million, two hundred fifty-three thousand, six hundred forty-four".