916851850 has 12 divisors (see below), whose sum is σ = 1705344534. Its totient is φ = 366740720.

The previous prime is 916851847. The next prime is 916851851. The reversal of 916851850 is 58158619.

It can be written as a sum of positive squares in 3 ways, for example, as 597264721 + 319587129 = 24439^2 + 17877^2 .

It is a junction number, because it is equal to n+sod(n) for n = 916851797 and 916851806.

It is not an unprimeable number, because it can be changed into a prime (916851851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9168469 + ... + 9168568.

Almost surely, 2^916851850 is an apocalyptic number.

916851850 is a deficient number, since it is larger than the sum of its proper divisors (788492684).

916851850 is a wasteful number, since it uses less digits than its factorization.

916851850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18337049 (or 18337044 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 43.

The square root of 916851850 is about 30279.5615886360. The cubic root of 916851850 is about 971.4781904853.

The spelling of 916851850 in words is "nine hundred sixteen million, eight hundred fifty-one thousand, eight hundred fifty".