149783773819680 has 4608 divisors, whose sum is σ = 750139079639040. Its totient is φ = 26199386357760.

The previous prime is 149783773819639. The next prime is 149783773819723. The reversal of 149783773819680 is 86918377387941.

149783773819680 is a `hidden beast` number, since 1 + 4 + 9 + 7 + 8 + 3 + 77 + 381 + 96 + 80 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 149783773819680.

It is an unprimeable number.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 79799558902 + ... + 79799560778.

It is an arithmetic number, because the mean of its divisors is an integer number (162790598880).

Almost surely, 2^{149783773819680} is an apocalyptic number.

149783773819680 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 149783773819680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375069539819520).

149783773819680 is an abundant number, since it is smaller than the sum of its proper divisors (600355305819360).

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

149783773819680 is a wasteful number, since it uses less digits than its factorization.

149783773819680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 3072577536, while the sum is 81.

The spelling of 149783773819680 in words is "one hundred forty-nine trillion, seven hundred eighty-three billion, seven hundred seventy-three million, eight hundred nineteen thousand, six hundred eighty".