2660463121 has 8 divisors (see below), whose sum is σ = 2748096000. Its totient is φ = 2572943520.

The previous prime is 2660463109. The next prime is 2660463131. The reversal of 2660463121 is 1213640662.

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

It is a cyclic number.

It is not a de Polignac number, because 2660463121 - 2¹⁷ = 2660332049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2660463131) 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, 20805 + ... + 75853.

It is an arithmetic number, because the mean of its divisors is an integer number (343512000).

Almost surely, 2^2660463121 is an apocalyptic number.

It is an amenable number.

2660463121 is a deficient number, since it is larger than the sum of its proper divisors (87632879).

2660463121 is a wasteful number, since it uses less digits than its factorization.

2660463121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56639.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2660463121 is about 51579.6774030238. The cubic root of 2660463121 is about 1385.6463891865.

The spelling of 2660463121 in words is "two billion, six hundred sixty million, four hundred sixty-three thousand, one hundred twenty-one".