133617493616 has 20 divisors (see below), whose sum is σ = 272509362600. Its totient is φ = 63292496832.

The previous prime is 133617493561. The next prime is 133617493621. The reversal of 133617493616 is 616394716331.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

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, 219765311 + ... + 219765918.

It is an arithmetic number, because the mean of its divisors is an integer number (13625468130).

Almost surely, 2^133617493616 is an apocalyptic number.

133617493616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133617493616 is an abundant number, since it is smaller than the sum of its proper divisors (138891868984).

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

133617493616 is a wasteful number, since it uses less digits than its factorization.

133617493616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439531256 (or 439531250 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 50.

The spelling of 133617493616 in words is "one hundred thirty-three billion, six hundred seventeen million, four hundred ninety-three thousand, six hundred sixteen".