1616501142243 has 48 divisors (see below), whose sum is σ = 2517823744800. Its totient is φ = 993478804992.

The previous prime is 1616501142229. The next prime is 1616501142283. The reversal of 1616501142243 is 3422411056161.

1616501142243 is a `hidden beast` number, since 1 + 6 + 1 + 6 + 501 + 142 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 1616501142243 - 2⁴ = 1616501142227 is a prime.

It is a super-2 number, since 2×1616501142243² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616501142198 and 1616501142207.

It is not an unprimeable number, because it can be changed into a prime (1616501142283) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 468685183 + ... + 468688631.

It is an arithmetic number, because the mean of its divisors is an integer number (52454661350).

Almost surely, 2^{1616501142243} is an apocalyptic number.

1616501142243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1616501142243 is a deficient number, since it is larger than the sum of its proper divisors (901322602557).

1616501142243 is a wasteful number, since it uses less digits than its factorization.

1616501142243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7508 (or 7505 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 1616501142243 in words is "one trillion, six hundred sixteen billion, five hundred one million, one hundred forty-two thousand, two hundred forty-three".