6460870816 has 12 divisors (see below), whose sum is σ = 12719839482. Its totient is φ = 3230435392.

The previous prime is 6460870781. The next prime is 6460870853. The reversal of 6460870816 is 6180780646.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4763760400 + 1697110416 = 69020^2 + 41196^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100951075 + ... + 100951138.

Almost surely, 2^6460870816 is an apocalyptic number.

It is an amenable number.

6460870816 is a deficient number, since it is larger than the sum of its proper divisors (6258968666).

6460870816 is a wasteful number, since it uses less digits than its factorization.

6460870816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201902223 (or 201902215 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 6460870816 is about 80379.5422728943. The cubic root of 6460870816 is about 1862.5031638521.

It can be divided in two parts, 64608 and 70816, that added together give a square (135424 = 368²).

The spelling of 6460870816 in words is "six billion, four hundred sixty million, eight hundred seventy thousand, eight hundred sixteen".