161026464323 has 8 divisors (see below), whose sum is σ = 162204778560. Its totient is φ = 159852366720.

The previous prime is 161026464253. The next prime is 161026464359. The reversal of 161026464323 is 323464620161.

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 161026464323 - 2¹² = 161026460227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161026464373) 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, 977483 + ... + 1130276.

It is an arithmetic number, because the mean of its divisors is an integer number (20275597320).

Almost surely, 2^161026464323 is an apocalyptic number.

161026464323 is a deficient number, since it is larger than the sum of its proper divisors (1178314237).

161026464323 is a wasteful number, since it uses less digits than its factorization.

161026464323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108317.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 161026464323 in words is "one hundred sixty-one billion, twenty-six million, four hundred sixty-four thousand, three hundred twenty-three".