149789105560 has 16 divisors (see below), whose sum is σ = 337025487600. Its totient is φ = 59915642208.

The previous prime is 149789105549. The next prime is 149789105573. The reversal of 149789105560 is 65501987941.

It is a happy number.

It is a super-2 number, since 2×149789105560² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1872363780 + ... + 1872363859.

It is an arithmetic number, because the mean of its divisors is an integer number (21064092975).

Almost surely, 2^149789105560 is an apocalyptic number.

149789105560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149789105560 is an abundant number, since it is smaller than the sum of its proper divisors (187236382040).

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

149789105560 is a wasteful number, since it uses less digits than its factorization.

149789105560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744727650 (or 3744727646 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 149789105560 in words is "one hundred forty-nine billion, seven hundred eighty-nine million, one hundred five thousand, five hundred sixty".