665157110702 has 16 divisors (see below), whose sum is σ = 1140382039680. Its totient is φ = 285039156408.

The previous prime is 665157110687. The next prime is 665157110707. The reversal of 665157110702 is 207011751566.

It is a self number, because there is not a number n which added to its sum of digits gives 665157110702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (665157110707) 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, 2201048 + ... + 2484939.

It is an arithmetic number, because the mean of its divisors is an integer number (71273877480).

Almost surely, 2^665157110702 is an apocalyptic number.

665157110702 is a deficient number, since it is larger than the sum of its proper divisors (475224928978).

665157110702 is a wasteful number, since it uses less digits than its factorization.

665157110702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696135.

The product of its (nonzero) digits is 88200, while the sum is 41.

The spelling of 665157110702 in words is "six hundred sixty-five billion, one hundred fifty-seven million, one hundred ten thousand, seven hundred two".