161466842587 has 8 divisors (see below), whose sum is σ = 170089459200. Its totient is φ = 152856662184.

The previous prime is 161466842573. The next prime is 161466842591. The reversal of 161466842587 is 785248664161.

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 161466842587 - 2¹¹ = 161466840539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161466842567) 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, 3082387 + ... + 3134332.

It is an arithmetic number, because the mean of its divisors is an integer number (21261182400).

Almost surely, 2^161466842587 is an apocalyptic number.

161466842587 is a deficient number, since it is larger than the sum of its proper divisors (8622616613).

161466842587 is a wasteful number, since it uses less digits than its factorization.

161466842587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218105.

The product of its digits is 15482880, while the sum is 58.

The spelling of 161466842587 in words is "one hundred sixty-one billion, four hundred sixty-six million, eight hundred forty-two thousand, five hundred eighty-seven".