149788216546 has 16 divisors (see below), whose sum is σ = 229872061440. Its totient is φ = 73183743360.

The previous prime is 149788216499. The next prime is 149788216579. The reversal of 149788216546 is 645612887941.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4871410 + ... + 4902061.

It is an arithmetic number, because the mean of its divisors is an integer number (14367003840).

Almost surely, 2^149788216546 is an apocalyptic number.

149788216546 is a deficient number, since it is larger than the sum of its proper divisors (80083844894).

149788216546 is an equidigital number, since it uses as much as digits as its factorization.

149788216546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9773649.

The product of its digits is 23224320, while the sum is 61.

The spelling of 149788216546 in words is "one hundred forty-nine billion, seven hundred eighty-eight million, two hundred sixteen thousand, five hundred forty-six".