662002142 has 8 divisors (see below), whose sum is σ = 1045266600. Its totient is φ = 313579944.

The previous prime is 662002093. The next prime is 662002147. The reversal of 662002142 is 241200266.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662002147) 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 3 ways as a sum of consecutive naturals, for example, 8710517 + ... + 8710592.

It is an arithmetic number, because the mean of its divisors is an integer number (130658325).

Almost surely, 2^662002142 is an apocalyptic number.

662002142 is a deficient number, since it is larger than the sum of its proper divisors (383264458).

662002142 is a wasteful number, since it uses less digits than its factorization.

662002142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17421130.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 662002142 is about 25729.4022861006. The cubic root of 662002142 is about 871.5382755708.

The spelling of 662002142 in words is "six hundred sixty-two million, two thousand, one hundred forty-two".