6451164554 has 8 divisors (see below), whose sum is σ = 9677097540. Its totient is φ = 3225465376.

The previous prime is 6451164553. The next prime is 6451164571. The reversal of 6451164554 is 4554611546.

It can be written as a sum of positive squares in 2 ways, for example, as 6349699225 + 101465329 = 79685^2 + 10073^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6451164553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53132 + ... + 125400.

Almost surely, 2^6451164554 is an apocalyptic number.

6451164554 is a deficient number, since it is larger than the sum of its proper divisors (3225932986).

6451164554 is a wasteful number, since it uses less digits than its factorization.

6451164554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116904.

The product of its digits is 288000, while the sum is 41.

The square root of 6451164554 is about 80319.1418903365. The cubic root of 6451164554 is about 1861.5700076939.

The spelling of 6451164554 in words is "six billion, four hundred fifty-one million, one hundred sixty-four thousand, five hundred fifty-four".