660261414 has 16 divisors (see below), whose sum is σ = 1377937152. Its totient is φ = 210518088.

The previous prime is 660261401. The next prime is 660261449. The reversal of 660261414 is 414162066.

660261414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2392114 + ... + 2392389.

It is an arithmetic number, because the mean of its divisors is an integer number (86121072).

Almost surely, 2^660261414 is an apocalyptic number.

660261414 is an abundant number, since it is smaller than the sum of its proper divisors (717675738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

660261414 is a wasteful number, since it uses less digits than its factorization.

660261414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4784531.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 660261414 is about 25695.5524167121. The cubic root of 660261414 is about 870.7737046468.

It can be divided in two parts, 660261 and 414, that added together give a triangular number (660675 = T₁₁₄₉).

The spelling of 660261414 in words is "six hundred sixty million, two hundred sixty-one thousand, four hundred fourteen".