1668518537002 has 8 divisors (see below), whose sum is σ = 2508002812800. Its totient is φ = 832517599404.

The previous prime is 1668518536999. The next prime is 1668518537047. The reversal of 1668518537002 is 2007358158661.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 870833352 + ... + 870835267.

It is an arithmetic number, because the mean of its divisors is an integer number (313500351600).

Almost surely, 2^{1668518537002} is an apocalyptic number.

1668518537002 is a deficient number, since it is larger than the sum of its proper divisors (839484275798).

1668518537002 is a wasteful number, since it uses less digits than its factorization.

1668518537002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741669100.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 1668518537002 in words is "one trillion, six hundred sixty-eight billion, five hundred eighteen million, five hundred thirty-seven thousand, two".