551670016 has 72 divisors (see below), whose sum is σ = 1199419200. Its totient is φ = 252241920.

The previous prime is 551669983. The next prime is 551670023. The reversal of 551670016 is 610076155.

It is a self number, because there is not a number n which added to its sum of digits gives 551670016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139101 + ... + 143011.

It is an arithmetic number, because the mean of its divisors is an integer number (16658600).

Almost surely, 2^551670016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551670016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599709600).

551670016 is an abundant number, since it is smaller than the sum of its proper divisors (647749184).

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

551670016 is a wasteful number, since it uses less digits than its factorization.

551670016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3975 (or 3961 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 551670016 is about 23487.6566732401. The cubic root of 551670016 is about 820.1496930760.

The spelling of 551670016 in words is "five hundred fifty-one million, six hundred seventy thousand, sixteen".