161042644262 has 8 divisors (see below), whose sum is σ = 244054316856. Its totient is φ = 79691205312.

The previous prime is 161042644249. The next prime is 161042644267. The reversal of 161042644262 is 262446240161.

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 (161042644267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415058168 + ... + 415058555.

It is an arithmetic number, because the mean of its divisors is an integer number (30506789607).

Almost surely, 2^161042644262 is an apocalyptic number.

161042644262 is a deficient number, since it is larger than the sum of its proper divisors (83011672594).

161042644262 is an equidigital number, since it uses as much as digits as its factorization.

161042644262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830116822.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 161042644262 in words is "one hundred sixty-one billion, forty-two million, six hundred forty-four thousand, two hundred sixty-two".