27164143802 has 4 divisors (see below), whose sum is σ = 40746215706. Its totient is φ = 13582071900.

The previous prime is 27164143757. The next prime is 27164143837. The reversal of 27164143802 is 20834146172.

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., 17281994521 + 9882149281 = 131461^2 + 99409^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6791035949 + ... + 6791035952.

Almost surely, 2^27164143802 is an apocalyptic number.

27164143802 is a deficient number, since it is larger than the sum of its proper divisors (13582071904).

27164143802 is a wasteful number, since it uses less digits than its factorization.

27164143802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13582071903.

The product of its (nonzero) digits is 64512, while the sum is 38.

Adding to 27164143802 its reverse (20834146172), we get a palindrome (47998289974).

The spelling of 27164143802 in words is "twenty-seven billion, one hundred sixty-four million, one hundred forty-three thousand, eight hundred two".