1516343661642 has 8 divisors (see below), whose sum is σ = 3032687323296. Its totient is φ = 505447887212.

The previous prime is 1516343661619. The next prime is 1516343661691. The reversal of 1516343661642 is 2461663436151.

It is a happy number.

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

1516343661642 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1516343661591 and 1516343661600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126361971798 + ... + 126361971809.

It is an arithmetic number, because the mean of its divisors is an integer number (379085915412).

Almost surely, 2^{1516343661642} is an apocalyptic number.

1516343661642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1516343661642 is a wasteful number, since it uses less digits than its factorization.

1516343661642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252723943612.

The product of its digits is 1866240, while the sum is 48.

The spelling of 1516343661642 in words is "one trillion, five hundred sixteen billion, three hundred forty-three million, six hundred sixty-one thousand, six hundred forty-two".