161246342566 has 8 divisors (see below), whose sum is σ = 246433089744. Its totient is φ = 79101979320.

The previous prime is 161246342519. The next prime is 161246342567. The reversal of 161246342566 is 665243642161.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161246342567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760595850 + ... + 760596061.

It is an arithmetic number, because the mean of its divisors is an integer number (30804136218).

Almost surely, 2^161246342566 is an apocalyptic number.

161246342566 is a deficient number, since it is larger than the sum of its proper divisors (85186747178).

161246342566 is a wasteful number, since it uses less digits than its factorization.

161246342566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521191966.

The product of its digits is 1244160, while the sum is 46.

The spelling of 161246342566 in words is "one hundred sixty-one billion, two hundred forty-six million, three hundred forty-two thousand, five hundred sixty-six".