1208613664 has 48 divisors (see below), whose sum is σ = 2405108160. Its totient is φ = 597830400.

The previous prime is 1208613641. The next prime is 1208613667. The reversal of 1208613664 is 4663168021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1208613667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1879327 + ... + 1879969.

It is an arithmetic number, because the mean of its divisors is an integer number (50106420).

Almost surely, 2^1208613664 is an apocalyptic number.

It is an amenable number.

1208613664 is a deficient number, since it is larger than the sum of its proper divisors (1196494496).

1208613664 is a wasteful number, since it uses less digits than its factorization.

1208613664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1208613664 is about 34765.1213718577. The cubic root of 1208613664 is about 1065.1951163005.

The spelling of 1208613664 in words is "one billion, two hundred eight million, six hundred thirteen thousand, six hundred sixty-four".