8161741802 has 8 divisors (see below), whose sum is σ = 12886960800. Its totient is φ = 3866088204.

The previous prime is 8161741799. The next prime is 8161741823. The reversal of 8161741802 is 2081471618.

It is a happy number.

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

It is a super-2 number, since 2×8161741802² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 214782679 = 8161741802 / (8 + 1 + 6 + 1 + 7 + 4 + 1 + 8 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107391302 + ... + 107391377.

It is an arithmetic number, because the mean of its divisors is an integer number (1610870100).

Almost surely, 2^8161741802 is an apocalyptic number.

8161741802 is a deficient number, since it is larger than the sum of its proper divisors (4725218998).

8161741802 is a wasteful number, since it uses less digits than its factorization.

8161741802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214782700.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 8161741802 is about 90342.3588467780. The cubic root of 8161741802 is about 2013.3886554527.

The spelling of 8161741802 in words is "eight billion, one hundred sixty-one million, seven hundred forty-one thousand, eight hundred two".