660106456 has 8 divisors (see below), whose sum is σ = 1237699620. Its totient is φ = 330053224.

The previous prime is 660106453. The next prime is 660106487. The reversal of 660106456 is 654601066.

660106456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660106453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41256646 + ... + 41256661.

Almost surely, 2^660106456 is an apocalyptic number.

It is an amenable number.

660106456 is a deficient number, since it is larger than the sum of its proper divisors (577593164).

660106456 is a wasteful number, since it uses less digits than its factorization.

660106456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82513313 (or 82513309 counting only the distinct ones).

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

The square root of 660106456 is about 25692.5369708793. The cubic root of 660106456 is about 870.7055781411.

The spelling of 660106456 in words is "six hundred sixty million, one hundred six thousand, four hundred fifty-six".