168605551003 has 8 divisors (see below), whose sum is σ = 173333260800. Its totient is φ = 163925356200.

The previous prime is 168605550989. The next prime is 168605551007. The reversal of 168605551003 is 300155506861.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168605551003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168605551007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11871553 + ... + 11885746.

It is an arithmetic number, because the mean of its divisors is an integer number (21666657600).

Almost surely, 2^168605551003 is an apocalyptic number.

168605551003 is a deficient number, since it is larger than the sum of its proper divisors (4727709797).

168605551003 is a wasteful number, since it uses less digits than its factorization.

168605551003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23757497.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 168605551003 in words is "one hundred sixty-eight billion, six hundred five million, five hundred fifty-one thousand, three".