8167140435794 has 4 divisors (see below), whose sum is σ = 12250710653694. Its totient is φ = 4083570217896.

The previous prime is 8167140435787. The next prime is 8167140435809. The reversal of 8167140435794 is 4975340417618.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6063349737769 + 2103790698025 = 2462387^2 + 1450445^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2041785108947 + ... + 2041785108950.

Almost surely, 2^{8167140435794} is an apocalyptic number.

8167140435794 is a deficient number, since it is larger than the sum of its proper divisors (4083570217900).

8167140435794 is a wasteful number, since it uses less digits than its factorization.

8167140435794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083570217899.

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 8167140435794 in words is "eight trillion, one hundred sixty-seven billion, one hundred forty million, four hundred thirty-five thousand, seven hundred ninety-four".