149571168789 has 8 divisors (see below), whose sum is σ = 227917971520. Its totient is φ = 85469239296.

The previous prime is 149571168787. The next prime is 149571168793. The reversal of 149571168789 is 987861175941.

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

It is not a de Polignac number, because 149571168789 - 2¹ = 149571168787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149571168781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3561218284 + ... + 3561218325.

It is an arithmetic number, because the mean of its divisors is an integer number (28489746440).

Almost surely, 2^149571168789 is an apocalyptic number.

It is an amenable number.

149571168789 is a deficient number, since it is larger than the sum of its proper divisors (78346802731).

149571168789 is an equidigital number, since it uses as much as digits as its factorization.

149571168789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7122436619.

The product of its digits is 30481920, while the sum is 66.

The spelling of 149571168789 in words is "one hundred forty-nine billion, five hundred seventy-one million, one hundred sixty-eight thousand, seven hundred eighty-nine".