201616011572 has 12 divisors (see below), whose sum is σ = 352854509280. Its totient is φ = 100800437496.

The previous prime is 201616011563. The next prime is 201616011631. The reversal of 201616011572 is 275110616102.

It is a super-2 number, since 2×201616011572² (a number of 23 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 in 3 ways as a sum of consecutive naturals, for example, 1831922 + ... + 1938857.

It is an arithmetic number, because the mean of its divisors is an integer number (29404542440).

Almost surely, 2^201616011572 is an apocalyptic number.

It is an amenable number.

201616011572 is a deficient number, since it is larger than the sum of its proper divisors (151238497708).

201616011572 is a wasteful number, since it uses less digits than its factorization.

201616011572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784150 (or 3784148 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

Adding to 201616011572 its reverse (275110616102), we get a palindrome (476726627674).

The spelling of 201616011572 in words is "two hundred one billion, six hundred sixteen million, eleven thousand, five hundred seventy-two".