665101516 has 6 divisors (see below), whose sum is σ = 1163927660. Its totient is φ = 332550756.

The previous prime is 665101487. The next prime is 665101519. The reversal of 665101516 is 615101566.

It is not an unprimeable number, because it can be changed into a prime (665101519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83137686 + ... + 83137693.

Almost surely, 2^665101516 is an apocalyptic number.

It is an amenable number.

665101516 is a deficient number, since it is larger than the sum of its proper divisors (498826144).

665101516 is a wasteful number, since it uses less digits than its factorization.

665101516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166275383 (or 166275381 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 665101516 is about 25789.5621521576. The cubic root of 665101516 is about 872.8962865122.

The spelling of 665101516 in words is "six hundred sixty-five million, one hundred one thousand, five hundred sixteen".