851658116 has 6 divisors (see below), whose sum is σ = 1490401710. Its totient is φ = 425829056.

The previous prime is 851658107. The next prime is 851658131. The reversal of 851658116 is 611856158.

It can be written as a sum of positive squares in only one way, i.e., 506070016 + 345588100 = 22496^2 + 18590^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106457261 + ... + 106457268.

It is an arithmetic number, because the mean of its divisors is an integer number (248400285).

Almost surely, 2^851658116 is an apocalyptic number.

It is an amenable number.

851658116 is a deficient number, since it is larger than the sum of its proper divisors (638743594).

851658116 is a wasteful number, since it uses less digits than its factorization.

851658116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212914533 (or 212914531 counting only the distinct ones).

The product of its digits is 57600, while the sum is 41.

The square root of 851658116 is about 29183.1820746128. The cubic root of 851658116 is about 947.8837902855.

The spelling of 851658116 in words is "eight hundred fifty-one million, six hundred fifty-eight thousand, one hundred sixteen".