9163814690 has 32 divisors (see below), whose sum is σ = 17255430000. Its totient is φ = 3499353088.

The previous prime is 9163814689. The next prime is 9163814701. The reversal of 9163814690 is 964183619.

It can be written as a sum of positive squares in 8 ways, for example, as 5620350961 + 3543463729 = 74969^2 + 59527^2 .

It is a super-2 number, since 2×9163814690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151715 + ... + 203334.

Almost surely, 2^9163814690 is an apocalyptic number.

9163814690 is a deficient number, since it is larger than the sum of its proper divisors (8091615310).

9163814690 is a wasteful number, since it uses less digits than its factorization.

9163814690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355174.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 9163814690 is about 95727.8156545944. The cubic root of 9163814690 is about 2092.6283249092.

The spelling of 9163814690 in words is "nine billion, one hundred sixty-three million, eight hundred fourteen thousand, six hundred ninety".