6461020016 has 40 divisors (see below), whose sum is σ = 13664553984. Its totient is φ = 2935040960.

The previous prime is 6461020009. The next prime is 6461020019. The reversal of 6461020016 is 6100201646.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6461020019) 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, 304241 + ... + 324783.

Almost surely, 2^6461020016 is an apocalyptic number.

It is an amenable number.

6461020016 is an abundant number, since it is smaller than the sum of its proper divisors (7203533968).

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

6461020016 is a wasteful number, since it uses less digits than its factorization.

6461020016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22349 (or 22343 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 6461020016 is about 80380.4703643864. The cubic root of 6461020016 is about 1862.5175005848.

The spelling of 6461020016 in words is "six billion, four hundred sixty-one million, twenty thousand, sixteen".