551010066 has 8 divisors (see below), whose sum is σ = 1102020144. Its totient is φ = 183670020.

The previous prime is 551010043. The next prime is 551010071. The reversal of 551010066 is 660010155.

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

551010066 is an admirable number.

It is a super-2 number, since 2×551010066² = 607224185666648712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45917500 + ... + 45917511.

It is an arithmetic number, because the mean of its divisors is an integer number (137752518).

Almost surely, 2^551010066 is an apocalyptic number.

551010066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

551010066 is a wasteful number, since it uses less digits than its factorization.

551010066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91835016.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 551010066 is about 23473.6036006404. The cubic root of 551010066 is about 819.8225205821.

It can be divided in two parts, 5510 and 10066, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 551010066 in words is "five hundred fifty-one million, ten thousand, sixty-six".