6400466121 has 8 divisors (see below), whose sum is σ = 9753091264. Its totient is φ = 3657409200.

The previous prime is 6400466113. The next prime is 6400466131. The reversal of 6400466121 is 1216640046.

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

It is not a de Polignac number, because 6400466121 - 2³ = 6400466113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6400466131) 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, 152392030 + ... + 152392071.

It is an arithmetic number, because the mean of its divisors is an integer number (1219136408).

Almost surely, 2^6400466121 is an apocalyptic number.

It is an amenable number.

6400466121 is a deficient number, since it is larger than the sum of its proper divisors (3352625143).

6400466121 is a wasteful number, since it uses less digits than its factorization.

6400466121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304784111.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 6400466121 is about 80002.9132032078. The cubic root of 6400466121 is about 1856.6806061432.

The spelling of 6400466121 in words is "six billion, four hundred million, four hundred sixty-six thousand, one hundred twenty-one".