149817589760 has 136 divisors (see below), whose sum is σ = 361252647360. Its totient is φ = 59645100032.

The previous prime is 149817589741. The next prime is 149817589763. The reversal of 149817589760 is 67985718941.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149817589763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78314564 + ... + 78316476.

Almost surely, 2^149817589760 is an apocalyptic number.

149817589760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149817589760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180626323680).

149817589760 is an abundant number, since it is smaller than the sum of its proper divisors (211435057600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149817589760 is an frugal number, since it uses more digits than its factorization.

149817589760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189 (or 2159 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 65.

The spelling of 149817589760 in words is "one hundred forty-nine billion, eight hundred seventeen million, five hundred eighty-nine thousand, seven hundred sixty".