203646216142 has 8 divisors (see below), whose sum is σ = 305472515256. Its totient is φ = 101822044392.

The previous prime is 203646216139. The next prime is 203646216143. The reversal of 203646216142 is 241612646302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203646216143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265933 + ... + 691384.

It is an arithmetic number, because the mean of its divisors is an integer number (38184064407).

Almost surely, 2^203646216142 is an apocalyptic number.

203646216142 is a deficient number, since it is larger than the sum of its proper divisors (101826299114).

203646216142 is a wasteful number, since it uses less digits than its factorization.

203646216142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063682.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 203646216142 in words is "two hundred three billion, six hundred forty-six million, two hundred sixteen thousand, one hundred forty-two".