919425658216 has 32 divisors (see below), whose sum is σ = 1965740381640. Its totient is φ = 399388520448.

The previous prime is 919425658141. The next prime is 919425658219. The reversal of 919425658216 is 612856524919.

It can be written as a sum of positive squares in 4 ways, for example, as 821825650116 + 97600008100 = 906546^2 + 312410^2 .

It is not an unprimeable number, because it can be changed into a prime (919425658219) 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, 260016801 + ... + 260020336.

Almost surely, 2^919425658216 is an apocalyptic number.

It is an amenable number.

919425658216 is an abundant number, since it is smaller than the sum of its proper divisors (1046314723424).

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

919425658216 is a wasteful number, since it uses less digits than its factorization.

919425658216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520037173 (or 520037169 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 58.

The spelling of 919425658216 in words is "nine hundred nineteen billion, four hundred twenty-five million, six hundred fifty-eight thousand, two hundred sixteen".