161112516050 has 12 divisors (see below), whose sum is σ = 299669279946. Its totient is φ = 64445006400.

The previous prime is 161112516041. The next prime is 161112516067. The reversal of 161112516050 is 50615211161.

It can be written as a sum of positive squares in 3 ways, for example, as 138794247601 + 22318268449 = 372551^2 + 149393^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1611125111 + ... + 1611125210.

Almost surely, 2^161112516050 is an apocalyptic number.

161112516050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161112516050 is a deficient number, since it is larger than the sum of its proper divisors (138556763896).

161112516050 is a wasteful number, since it uses less digits than its factorization.

161112516050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222250333 (or 3222250328 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 29.

The spelling of 161112516050 in words is "one hundred sixty-one billion, one hundred twelve million, five hundred sixteen thousand, fifty".