851498066 has 8 divisors (see below), whose sum is σ = 1291598460. Its totient is φ = 420965248.

The previous prime is 851498027. The next prime is 851498113. The reversal of 851498066 is 660894158.

It can be written as a sum of positive squares in 2 ways, for example, as 833188225 + 18309841 = 28865^2 + 4279^2 .

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

It is a super-3 number, since 3×851498066³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 851498066.

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, 2391671 + ... + 2392026.

Almost surely, 2^851498066 is an apocalyptic number.

851498066 is a deficient number, since it is larger than the sum of its proper divisors (440100394).

851498066 is a wasteful number, since it uses less digits than its factorization.

851498066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783788.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 851498066 is about 29180.4397842116. The cubic root of 851498066 is about 947.8244087480.

The spelling of 851498066 in words is "eight hundred fifty-one million, four hundred ninety-eight thousand, sixty-six".