161141823074 has 8 divisors (see below), whose sum is σ = 241759657260. Its totient is φ = 80555270656.

The previous prime is 161141823061. The next prime is 161141823109. The reversal of 161141823074 is 470328141161.

It can be written as a sum of positive squares in 2 ways, for example, as 155649975625 + 5491847449 = 394525^2 + 74107^2 .

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

It is a super-2 number, since 2×161141823074² (a number of 23 digits) contains 22 as substring.

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, 7807559 + ... + 7828170.

Almost surely, 2^161141823074 is an apocalyptic number.

161141823074 is a deficient number, since it is larger than the sum of its proper divisors (80617834186).

161141823074 is a wasteful number, since it uses less digits than its factorization.

161141823074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15640884.

The product of its (nonzero) digits is 32256, while the sum is 38.

The spelling of 161141823074 in words is "one hundred sixty-one billion, one hundred forty-one million, eight hundred twenty-three thousand, seventy-four".