660202743 has 8 divisors (see below), whose sum is σ = 895190400. Its totient is φ = 432675128.

The previous prime is 660202727. The next prime is 660202757. The reversal of 660202743 is 347202066.

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 660202743 - 2⁴ = 660202727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 660202743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660202723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1864803 + ... + 1865156.

It is an arithmetic number, because the mean of its divisors is an integer number (111898800).

Almost surely, 2^660202743 is an apocalyptic number.

660202743 is a deficient number, since it is larger than the sum of its proper divisors (234987657).

660202743 is a wasteful number, since it uses less digits than its factorization.

660202743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730021.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 660202743 is about 25694.4107346325. The cubic root of 660202743 is about 870.7479114906.

The spelling of 660202743 in words is "six hundred sixty million, two hundred two thousand, seven hundred forty-three".