121602463664 has 40 divisors (see below), whose sum is σ = 263969981328. Its totient is φ = 53779956480.

The previous prime is 121602463657. The next prime is 121602463669. The reversal of 121602463664 is 466364206121.

It is not an unprimeable number, because it can be changed into a prime (121602463669) 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, 9330287 + ... + 9343310.

Almost surely, 2^121602463664 is an apocalyptic number.

It is an amenable number.

121602463664 is an abundant number, since it is smaller than the sum of its proper divisors (142367517664).

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

121602463664 is a wasteful number, since it uses less digits than its factorization.

121602463664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18673653 (or 18673647 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

Adding to 121602463664 its reverse (466364206121), we get a palindrome (587966669785).

The spelling of 121602463664 in words is "one hundred twenty-one billion, six hundred two million, four hundred sixty-three thousand, six hundred sixty-four".