19761201016 has 16 divisors (see below), whose sum is σ = 37344003840. Its totient is φ = 9802800000.

The previous prime is 19761201001. The next prime is 19761201017. The reversal of 19761201016 is 61010216791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19761201017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9723985 + ... + 9726016.

It is an arithmetic number, because the mean of its divisors is an integer number (2334000240).

Almost surely, 2^19761201016 is an apocalyptic number.

It is an amenable number.

19761201016 is a deficient number, since it is larger than the sum of its proper divisors (17582802824).

19761201016 is a wasteful number, since it uses less digits than its factorization.

19761201016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19450134 (or 19450130 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 34.

The spelling of 19761201016 in words is "nineteen billion, seven hundred sixty-one million, two hundred one thousand, sixteen".