1600000161600 has 84 divisors (see below), whose sum is σ = 5249333879264. Its totient is φ = 426666708480.

The previous prime is 1600000161587. The next prime is 1600000161703. The reversal of 1600000161600 is 61610000061.

It is a super-2 number, since 2×1600000161600² (a number of 25 digits) contains 22 as substring.

1600000161600 is a modest number, since divided by 161600 gives 16000 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166661884 + ... + 166671483.

Almost surely, 2^{1600000161600} is an apocalyptic number.

1600000161600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1600000161600 is an abundant number, since it is smaller than the sum of its proper divisors (3649333717664).

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

1600000161600 is a wasteful number, since it uses less digits than its factorization.

1600000161600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333333392 (or 333333377 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1600000161600 its reverse (61610000061), we get a palindrome (1661610161661).

The spelling of 1600000161600 in words is "one trillion, six hundred billion, one hundred sixty-one thousand, six hundred".