1920163398702 has 16 divisors (see below), whose sum is σ = 3840342105600. Its totient is φ = 640051914872.

The previous prime is 1920163398697. The next prime is 1920163398731. The reversal of 1920163398702 is 2078933610291.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1592953 + ... + 2525435.

It is an arithmetic number, because the mean of its divisors is an integer number (240021381600).

Almost surely, 2^{1920163398702} is an apocalyptic number.

1920163398702 is an abundant number, since it is smaller than the sum of its proper divisors (1920178706898).

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

1920163398702 is a wasteful number, since it uses less digits than its factorization.

1920163398702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275687.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 1920163398702 in words is "one trillion, nine hundred twenty billion, one hundred sixty-three million, three hundred ninety-eight thousand, seven hundred two".