10171640412 has 18 divisors (see below), whose sum is σ = 25711646688. Its totient is φ = 3390546792.

The previous prime is 10171640393. The next prime is 10171640419. The reversal of 10171640412 is 21404617101.

10171640412 is a `hidden beast` number, since 1 + 0 + 1 + 7 + 1 + 640 + 4 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10171640419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141272748 + ... + 141272819.

It is an arithmetic number, because the mean of its divisors is an integer number (1428424816).

Almost surely, 2^10171640412 is an apocalyptic number.

10171640412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10171640412 is an abundant number, since it is smaller than the sum of its proper divisors (15540006276).

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

10171640412 is a wasteful number, since it uses less digits than its factorization.

10171640412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282545577 (or 282545572 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The spelling of 10171640412 in words is "ten billion, one hundred seventy-one million, six hundred forty thousand, four hundred twelve".