1616039043644 has 6 divisors (see below), whose sum is σ = 2828068326384. Its totient is φ = 808019521820.

The previous prime is 1616039043637. The next prime is 1616039043713. The reversal of 1616039043644 is 4463409306161.

It is a super-2 number, since 2×1616039043644² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202004880452 + ... + 202004880459.

It is an arithmetic number, because the mean of its divisors is an integer number (471344721064).

Almost surely, 2^{1616039043644} is an apocalyptic number.

It is an amenable number.

1616039043644 is a deficient number, since it is larger than the sum of its proper divisors (1212029282740).

1616039043644 is a wasteful number, since it uses less digits than its factorization.

1616039043644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404009760915 (or 404009760913 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 1616039043644 in words is "one trillion, six hundred sixteen billion, thirty-nine million, forty-three thousand, six hundred forty-four".