554676163721 has 8 divisors (see below), whose sum is σ = 559758470280. Its totient is φ = 549596904192.

The previous prime is 554676163703. The next prime is 554676163739. The reversal of 554676163721 is 127361676455.

It is an interprime number because it is at equal distance from previous prime (554676163703) and next prime (554676163739).

It can be written as a sum of positive squares in 4 ways, for example, as 3571855225 + 551104308496 = 59765^2 + 742364^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 554676163721 - 2³⁴ = 537496294537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (554676163621) 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, 395210 + ... + 1124963.

It is an arithmetic number, because the mean of its divisors is an integer number (69969808785).

Almost surely, 2^554676163721 is an apocalyptic number.

It is an amenable number.

554676163721 is a deficient number, since it is larger than the sum of its proper divisors (5082306559).

554676163721 is a wasteful number, since it uses less digits than its factorization.

554676163721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523515.

The product of its digits is 6350400, while the sum is 53.

The spelling of 554676163721 in words is "five hundred fifty-four billion, six hundred seventy-six million, one hundred sixty-three thousand, seven hundred twenty-one".