1266600150 has 72 divisors (see below), whose sum is σ = 3412281600. Its totient is φ = 336832320.

The previous prime is 1266600149. The next prime is 1266600191. The reversal of 1266600150 is 510066621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 168676 + ... + 176024.

It is an arithmetic number, because the mean of its divisors is an integer number (47392800).

Almost surely, 2^1266600150 is an apocalyptic number.

1266600150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1266600150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1706140800).

1266600150 is an abundant number, since it is smaller than the sum of its proper divisors (2145681450).

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

1266600150 is a wasteful number, since it uses less digits than its factorization.

1266600150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750 (or 7742 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1266600150 is about 35589.3263493424. The cubic root of 1266600150 is about 1081.9649157286.

Adding to 1266600150 its reverse (510066621), we get a palindrome (1776666771).

The spelling of 1266600150 in words is "one billion, two hundred sixty-six million, six hundred thousand, one hundred fifty".