149505334686 has 48 divisors (see below), whose sum is σ = 337730668080. Its totient is φ = 49010866560.

The previous prime is 149505334679. The next prime is 149505334703. The reversal of 149505334686 is 686433505941.

149505334686 is a `hidden beast` number, since 1 + 49 + 5 + 0 + 533 + 4 + 68 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22188310 + ... + 22195046.

It is an arithmetic number, because the mean of its divisors is an integer number (7036055585).

Almost surely, 2^149505334686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149505334686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168865334040).

149505334686 is an abundant number, since it is smaller than the sum of its proper divisors (188225333394).

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

149505334686 is an frugal number, since it uses more digits than its factorization.

149505334686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13546 (or 6803 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 149505334686 in words is "one hundred forty-nine billion, five hundred five million, three hundred thirty-four thousand, six hundred eighty-six".