1606156666616 has 8 divisors (see below), whose sum is σ = 3011543749920. Its totient is φ = 803078333304.

The previous prime is 1606156666613. The next prime is 1606156666679. The reversal of 1606156666616 is 6166666516061.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606156666613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100384791656 + ... + 100384791671.

It is an arithmetic number, because the mean of its divisors is an integer number (376442968740).

Almost surely, 2^{1606156666616} is an apocalyptic number.

It is an amenable number.

1606156666616 is a deficient number, since it is larger than the sum of its proper divisors (1405387083304).

1606156666616 is a wasteful number, since it uses less digits than its factorization.

1606156666616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200769583333 (or 200769583329 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 56.

The spelling of 1606156666616 in words is "one trillion, six hundred six billion, one hundred fifty-six million, six hundred sixty-six thousand, six hundred sixteen".