33853640550168 has 32 divisors (see below), whose sum is σ = 89088527764800. Its totient is φ = 10690623331488.

The previous prime is 33853640550143. The next prime is 33853640550193. The reversal of 33853640550168 is 86105504635833.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (33853640550143) and next prime (33853640550193).

It is a super-2 number, since 2×33853640550168² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37120219446 + ... + 37120220357.

It is an arithmetic number, because the mean of its divisors is an integer number (2784016492650).

Almost surely, 2^{33853640550168} is an apocalyptic number.

33853640550168 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

33853640550168 is an abundant number, since it is smaller than the sum of its proper divisors (55234887214632).

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

33853640550168 is a wasteful number, since it uses less digits than its factorization.

33853640550168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74240439831 (or 74240439827 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 57.

The spelling of 33853640550168 in words is "thirty-three trillion, eight hundred fifty-three billion, six hundred forty million, five hundred fifty thousand, one hundred sixty-eight".