665102662 has 16 divisors (see below), whose sum is σ = 1207245600. Its totient is φ = 268276608.

The previous prime is 665102651. The next prime is 665102663. The reversal of 665102662 is 266201566.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665102663) 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, 1397037 + ... + 1397512.

It is an arithmetic number, because the mean of its divisors is an integer number (75452850).

Almost surely, 2^665102662 is an apocalyptic number.

665102662 is a deficient number, since it is larger than the sum of its proper divisors (542142938).

665102662 is a wasteful number, since it uses less digits than its factorization.

665102662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794575.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 665102662 is about 25789.5843704392. The cubic root of 665102662 is about 872.8967878586.

The spelling of 665102662 in words is "six hundred sixty-five million, one hundred two thousand, six hundred sixty-two".