918628012 has 24 divisors (see below), whose sum is σ = 1694422800. Its totient is φ = 435105216.

The previous prime is 918627989. The next prime is 918628013. The reversal of 918628012 is 210826819.

It is not an unprimeable number, because it can be changed into a prime (918628013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68562 + ... + 80857.

It is an arithmetic number, because the mean of its divisors is an integer number (70600950).

Almost surely, 2^918628012 is an apocalyptic number.

It is an amenable number.

918628012 is a deficient number, since it is larger than the sum of its proper divisors (775794788).

918628012 is a wasteful number, since it uses less digits than its factorization.

918628012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149505 (or 149503 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 918628012 is about 30308.8767855228. The cubic root of 918628012 is about 972.1051146011.

The spelling of 918628012 in words is "nine hundred eighteen million, six hundred twenty-eight thousand, twelve".