150666661500 has 96 divisors (see below), whose sum is σ = 438969113856. Its totient is φ = 40156916800.

The previous prime is 150666661471. The next prime is 150666661513. The reversal of 150666661500 is 5166666051.

It is a super-3 number, since 3×150666661500³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2979427 + ... + 3029573.

It is an arithmetic number, because the mean of its divisors is an integer number (4572594936).

Almost surely, 2^150666661500 is an apocalyptic number.

150666661500 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 150666661500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219484556928).

150666661500 is an abundant number, since it is smaller than the sum of its proper divisors (288302452356).

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

150666661500 is a wasteful number, since it uses less digits than its factorization.

150666661500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52172 (or 52160 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 150666661500 in words is "one hundred fifty billion, six hundred sixty-six million, six hundred sixty-one thousand, five hundred".