161011001582 has 8 divisors (see below), whose sum is σ = 241536767400. Its totient is φ = 80498745784.

The previous prime is 161011001573. The next prime is 161011001597. The reversal of 161011001582 is 285100110161.

161011001582 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3347657 + ... + 3395412.

It is an arithmetic number, because the mean of its divisors is an integer number (30192095925).

Almost surely, 2^161011001582 is an apocalyptic number.

161011001582 is a deficient number, since it is larger than the sum of its proper divisors (80525765818).

161011001582 is a wasteful number, since it uses less digits than its factorization.

161011001582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6755010.

The product of its (nonzero) digits is 480, while the sum is 26.

The spelling of 161011001582 in words is "one hundred sixty-one billion, eleven million, one thousand, five hundred eighty-two".