660241742 has 16 divisors (see below), whose sum is σ = 1016945280. Its totient is φ = 321368952.

The previous prime is 660241739. The next prime is 660241787. The reversal of 660241742 is 247142066.

It is a super-3 number, since 3×660241742³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 660241699 and 660241708.

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, 15008 + ... + 39315.

It is an arithmetic number, because the mean of its divisors is an integer number (63559080).

Almost surely, 2^660241742 is an apocalyptic number.

660241742 is a deficient number, since it is larger than the sum of its proper divisors (356703538).

660241742 is a wasteful number, since it uses less digits than its factorization.

660241742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54487.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 660241742 is about 25695.1696238807. The cubic root of 660241742 is about 870.7650565417.

The spelling of 660241742 in words is "six hundred sixty million, two hundred forty-one thousand, seven hundred forty-two".