660712101 has 8 divisors (see below), whose sum is σ = 1006799424. Its totient is φ = 377549760.

The previous prime is 660712093. The next prime is 660712103. The reversal of 660712101 is 101217066.

660712101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 660712101 - 2³ = 660712093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660712103) 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, 15731220 + ... + 15731261.

It is an arithmetic number, because the mean of its divisors is an integer number (125849928).

Almost surely, 2^660712101 is an apocalyptic number.

It is an amenable number.

660712101 is a deficient number, since it is larger than the sum of its proper divisors (346087323).

660712101 is a wasteful number, since it uses less digits than its factorization.

660712101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31462491.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 660712101 is about 25704.3206679344. The cubic root of 660712101 is about 870.9717863566.

Adding to 660712101 its reverse (101217066), we get a palindrome (761929167).

The spelling of 660712101 in words is "six hundred sixty million, seven hundred twelve thousand, one hundred one".