201621460246 has 8 divisors (see below), whose sum is σ = 302434835760. Its totient is φ = 100809848328.

The previous prime is 201621460223. The next prime is 201621460247. The reversal of 201621460246 is 642064126102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201621460247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103426 + ... + 643381.

It is an arithmetic number, because the mean of its divisors is an integer number (37804354470).

Almost surely, 2^201621460246 is an apocalyptic number.

201621460246 is a deficient number, since it is larger than the sum of its proper divisors (100813375514).

201621460246 is a wasteful number, since it uses less digits than its factorization.

201621460246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881798.

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 201621460246 its reverse (642064126102), we get a palindrome (843685586348).

The spelling of 201621460246 in words is "two hundred one billion, six hundred twenty-one million, four hundred sixty thousand, two hundred forty-six".