1210603664 has 10 divisors (see below), whose sum is σ = 2345544630. Its totient is φ = 605301824.

The previous prime is 1210603627. The next prime is 1210603673. The reversal of 1210603664 is 4663060121.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 777963664 + 432640000 = 27892^2 + 20800^2 .

It is a super-2 number, since 2×1210603664² = 2931122462580449792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37831349 + ... + 37831380.

It is an arithmetic number, because the mean of its divisors is an integer number (234554463).

Almost surely, 2^1210603664 is an apocalyptic number.

It is an amenable number.

1210603664 is a deficient number, since it is larger than the sum of its proper divisors (1134940966).

1210603664 is an equidigital number, since it uses as much as digits as its factorization.

1210603664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75662737 (or 75662731 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1210603664 is about 34793.7302398004. The cubic root of 1210603664 is about 1065.7794154895.

Adding to 1210603664 its reverse (4663060121), we get a palindrome (5873663785).

The spelling of 1210603664 in words is "one billion, two hundred ten million, six hundred three thousand, six hundred sixty-four".