149747031785516 has 24 divisors (see below), whose sum is σ = 295102655016960. Its totient is φ = 65871128350800.

The previous prime is 149747031785509. The next prime is 149747031785543. The reversal of 149747031785516 is 615587130747941.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54892605596 + ... + 54892608323.

It is an arithmetic number, because the mean of its divisors is an integer number (12295943959040).

Almost surely, 2^{149747031785516} is an apocalyptic number.

It is an amenable number.

149747031785516 is a deficient number, since it is larger than the sum of its proper divisors (145355623231444).

149747031785516 is a wasteful number, since it uses less digits than its factorization.

149747031785516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109785213965 (or 109785213963 counting only the distinct ones).

The product of its (nonzero) digits is 177811200, while the sum is 68.

The spelling of 149747031785516 in words is "one hundred forty-nine trillion, seven hundred forty-seven billion, thirty-one million, seven hundred eighty-five thousand, five hundred sixteen".