208153473468 has 48 divisors (see below), whose sum is σ = 511503121920. Its totient is φ = 65700664704.

The previous prime is 208153473443. The next prime is 208153473469. The reversal of 208153473468 is 864374351802.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 208153473468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208153473469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249096 + ... + 691632.

It is an arithmetic number, because the mean of its divisors is an integer number (10656315040).

Almost surely, 2^208153473468 is an apocalyptic number.

It is an amenable number.

208153473468 is an abundant number, since it is smaller than the sum of its proper divisors (303349648452).

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

208153473468 is a wasteful number, since it uses less digits than its factorization.

208153473468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444626 (or 444624 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 208153473468 in words is "two hundred eight billion, one hundred fifty-three million, four hundred seventy-three thousand, four hundred sixty-eight".