20173858662 has 8 divisors (see below), whose sum is σ = 40347717336. Its totient is φ = 6724619552.

The previous prime is 20173858657. The next prime is 20173858711. The reversal of 20173858662 is 26685837102.

20173858662 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

20173858662 is an admirable number.

It is a congruent number.

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, 1681154883 + ... + 1681154894.

It is an arithmetic number, because the mean of its divisors is an integer number (5043464667).

Almost surely, 2^20173858662 is an apocalyptic number.

20173858662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20173858662 is a wasteful number, since it uses less digits than its factorization.

20173858662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362309782.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 20173858662 in words is "twenty billion, one hundred seventy-three million, eight hundred fifty-eight thousand, six hundred sixty-two".