161928070411 has 8 divisors (see below), whose sum is σ = 163017756144. Its totient is φ = 160840151520.

The previous prime is 161928070379. The next prime is 161928070427. The reversal of 161928070411 is 114070829161.

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

It is a cyclic number.

It is not a de Polignac number, because 161928070411 - 2⁵ = 161928070379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161928070481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257541 + ... + 624646.

It is an arithmetic number, because the mean of its divisors is an integer number (20377219518).

Almost surely, 2^161928070411 is an apocalyptic number.

161928070411 is a deficient number, since it is larger than the sum of its proper divisors (1089685733).

161928070411 is a wasteful number, since it uses less digits than its factorization.

161928070411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883421.

The product of its (nonzero) digits is 24192, while the sum is 40.

Adding to 161928070411 its reverse (114070829161), we get a palindrome (275998899572).

The spelling of 161928070411 in words is "one hundred sixty-one billion, nine hundred twenty-eight million, seventy thousand, four hundred eleven".