1620983970196 has 24 divisors (see below), whose sum is σ = 2846305704704. Its totient is φ = 807758028000.

The previous prime is 1620983970191. The next prime is 1620983970211. The reversal of 1620983970196 is 6910793890261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1620983970191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992446 + ... + 2055946.

Almost surely, 2^{1620983970196} is an apocalyptic number.

It is an amenable number.

1620983970196 is a deficient number, since it is larger than the sum of its proper divisors (1225321734508).

1620983970196 is a wasteful number, since it uses less digits than its factorization.

1620983970196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064791 (or 1064789 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 61.

The spelling of 1620983970196 in words is "one trillion, six hundred twenty billion, nine hundred eighty-three million, nine hundred seventy thousand, one hundred ninety-six".