183197271640 has 32 divisors (see below), whose sum is σ = 412207390080. Its totient is φ = 73276503552.

The previous prime is 183197271619. The next prime is 183197271643. The reversal of 183197271640 is 46172791381.

It is a super-2 number, since 2×183197271640² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (183197271643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1644592 + ... + 1752448.

It is an arithmetic number, because the mean of its divisors is an integer number (12881480940).

Almost surely, 2^183197271640 is an apocalyptic number.

183197271640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

183197271640 is an abundant number, since it is smaller than the sum of its proper divisors (229010118440).

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

183197271640 is a wasteful number, since it uses less digits than its factorization.

183197271640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150331 (or 150327 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 183197271640 in words is "one hundred eighty-three billion, one hundred ninety-seven million, two hundred seventy-one thousand, six hundred forty".