1617811027142 has 8 divisors (see below), whose sum is σ = 2426725451496. Its totient is φ = 808902543312.

The previous prime is 1617811027141. The next prime is 1617811027169. The reversal of 1617811027142 is 2417201187161.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1617811027142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1617811027141) 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, 726863 + ... + 1940090.

It is an arithmetic number, because the mean of its divisors is an integer number (303340681437).

Almost surely, 2^{1617811027142} is an apocalyptic number.

1617811027142 is a deficient number, since it is larger than the sum of its proper divisors (808914424354).

1617811027142 is a wasteful number, since it uses less digits than its factorization.

1617811027142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970262.

The product of its (nonzero) digits is 37632, while the sum is 41.

The spelling of 1617811027142 in words is "one trillion, six hundred seventeen billion, eight hundred eleven million, twenty-seven thousand, one hundred forty-two".