183385553372 has 24 divisors (see below), whose sum is σ = 378602434560. Its totient is φ = 76058524080.

The previous prime is 183385553371. The next prime is 183385553411. The reversal of 183385553372 is 273355583381.

It is a happy number.

It is a super-2 number, since 2×183385553372² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (183385553371) 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, 105635972 + ... + 105637707.

It is an arithmetic number, because the mean of its divisors is an integer number (15775101440).

Almost surely, 2^183385553372 is an apocalyptic number.

It is an amenable number.

183385553372 is an abundant number, since it is smaller than the sum of its proper divisors (195216881188).

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

183385553372 is a wasteful number, since it uses less digits than its factorization.

183385553372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211273721 (or 211273719 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 53.

The spelling of 183385553372 in words is "one hundred eighty-three billion, three hundred eighty-five million, five hundred fifty-three thousand, three hundred seventy-two".