851136330 has 32 divisors (see below), whose sum is σ = 2228430528. Its totient is φ = 206336000.

The previous prime is 851136329. The next prime is 851136361. The reversal of 851136330 is 33631158.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1289271 + ... + 1289930.

It is an arithmetic number, because the mean of its divisors is an integer number (69638454).

Almost surely, 2^851136330 is an apocalyptic number.

851136330 is an abundant number, since it is smaller than the sum of its proper divisors (1377294198).

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

851136330 is a wasteful number, since it uses less digits than its factorization.

851136330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2579222.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 851136330 is about 29174.2408641596. The cubic root of 851136330 is about 947.6901705203.

Adding to 851136330 its reverse (33631158), we get a palindrome (884767488).

The spelling of 851136330 in words is "eight hundred fifty-one million, one hundred thirty-six thousand, three hundred thirty".