10327991906 has 8 divisors (see below), whose sum is σ = 15492655404. Its totient is φ = 5163773440.

The previous prime is 10327991903. The next prime is 10327991909. The reversal of 10327991906 is 60919972301.

It is an interprime number because it is at equal distance from previous prime (10327991903) and next prime (10327991909).

It can be written as a sum of positive squares in 2 ways, for example, as 10280946025 + 47045881 = 101395^2 + 6859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (10327991903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45455 + ... + 150738.

Almost surely, 2^10327991906 is an apocalyptic number.

10327991906 is a deficient number, since it is larger than the sum of its proper divisors (5164663498).

10327991906 is a wasteful number, since it uses less digits than its factorization.

10327991906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222516.

The product of its (nonzero) digits is 183708, while the sum is 47.

The spelling of 10327991906 in words is "ten billion, three hundred twenty-seven million, nine hundred ninety-one thousand, nine hundred six".