6651446460 has 48 divisors (see below), whose sum is σ = 18738335616. Its totient is φ = 1762834752.

The previous prime is 6651446453. The next prime is 6651446471. The reversal of 6651446460 is 646441566.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330274 + ... + 349833.

It is an arithmetic number, because the mean of its divisors is an integer number (390381992).

Almost surely, 2^6651446460 is an apocalyptic number.

6651446460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6651446460 is an abundant number, since it is smaller than the sum of its proper divisors (12086889156).

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

6651446460 is a wasteful number, since it uses less digits than its factorization.

6651446460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680282 (or 680280 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 6651446460 is about 81556.4004845726. The cubic root of 6651446460 is about 1880.6386901164.

The spelling of 6651446460 in words is "six billion, six hundred fifty-one million, four hundred forty-six thousand, four hundred sixty".