660106007 has 8 divisors (see below), whose sum is σ = 720748800. Its totient is φ = 599568760.

The previous prime is 660105973. The next prime is 660106021. The reversal of 660106007 is 700601066.

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

It is a cyclic number.

It is not a de Polignac number, because 660106007 - 2¹⁴ = 660089623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660106087) 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, 13007 + ... + 38592.

It is an arithmetic number, because the mean of its divisors is an integer number (90093600).

Almost surely, 2^660106007 is an apocalyptic number.

660106007 is a deficient number, since it is larger than the sum of its proper divisors (60642793).

660106007 is a wasteful number, since it uses less digits than its factorization.

660106007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52773.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 660106007 is about 25692.5282329318. The cubic root of 660106007 is about 870.7053807250.

The spelling of 660106007 in words is "six hundred sixty million, one hundred six thousand, seven".