201606012250 has 128 divisors (see below), whose sum is σ = 410998947840. Its totient is φ = 73768968000.

The previous prime is 201606012233. The next prime is 201606012271. The reversal of 201606012250 is 52210606102.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 80544499 + ... + 80547001.

It is an arithmetic number, because the mean of its divisors is an integer number (3210929280).

Almost surely, 2^201606012250 is an apocalyptic number.

201606012250 is an abundant number, since it is smaller than the sum of its proper divisors (209392935590).

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

201606012250 is a wasteful number, since it uses less digits than its factorization.

201606012250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117 (or 3107 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 201606012250 its reverse (52210606102), we get a palindrome (253816618352).

The spelling of 201606012250 in words is "two hundred one billion, six hundred six million, twelve thousand, two hundred fifty".