1616151142 has 4 divisors (see below), whose sum is σ = 2424226716. Its totient is φ = 808075570.

The previous prime is 1616151139. The next prime is 1616151151. The reversal of 1616151142 is 2411516161.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1616151142² = 5223889027575808328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616151142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404037784 + ... + 404037787.

It is an arithmetic number, because the mean of its divisors is an integer number (606056679).

Almost surely, 2^1616151142 is an apocalyptic number.

1616151142 is a deficient number, since it is larger than the sum of its proper divisors (808075574).

1616151142 is an equidigital number, since it uses as much as digits as its factorization.

1616151142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808075573.

The product of its digits is 1440, while the sum is 28.

The square root of 1616151142 is about 40201.3823394171. The cubic root of 1616151142 is about 1173.5294455435.

The spelling of 1616151142 in words is "one billion, six hundred sixteen million, one hundred fifty-one thousand, one hundred forty-two".