194649415716 has 48 divisors (see below), whose sum is σ = 519102187520. Its totient is φ = 55610146080.

The previous prime is 194649415711. The next prime is 194649415717. The reversal of 194649415716 is 617514946491.

It is not an unprimeable number, because it can be changed into a prime (194649415711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1221831 + ... + 1371921.

Almost surely, 2^194649415716 is an apocalyptic number.

It is an amenable number.

194649415716 is an abundant number, since it is smaller than the sum of its proper divisors (324452771804).

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

194649415716 is a wasteful number, since it uses less digits than its factorization.

194649415716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165544 (or 165542 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 57.

The spelling of 194649415716 in words is "one hundred ninety-four billion, six hundred forty-nine million, four hundred fifteen thousand, seven hundred sixteen".