601653661892 has 18 divisors (see below), whose sum is σ = 1114840696158. Its totient is φ = 283128124992.

The previous prime is 601653661813. The next prime is 601653661907. The reversal of 601653661892 is 298166356106.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 566262270016 + 35391391876 = 752504^2 + 188126^2 .

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, 6349253 + ... + 6443315.

It is an arithmetic number, because the mean of its divisors is an integer number (61935594231).

Almost surely, 2^601653661892 is an apocalyptic number.

It is an amenable number.

601653661892 is a deficient number, since it is larger than the sum of its proper divisors (513187034266).

601653661892 is an frugal number, since it uses more digits than its factorization.

601653661892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188147 (or 94082 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 601653661892 in words is "six hundred one billion, six hundred fifty-three million, six hundred sixty-one thousand, eight hundred ninety-two".