921626880196 has 45 divisors (see below), whose sum is σ = 1774568060895. Its totient is φ = 418815707640.

The previous prime is 921626880193. The next prime is 921626880199. The reversal of 921626880196 is 691088626129.

The square root of 921626880196 is 960014.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (921626880193) and next prime (921626880199).

It is a super-2 number, since 2×921626880196² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 921626880196.

It is not an unprimeable number, because it can be changed into a prime (921626880193) by changing a digit.

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 14 ways as a sum of consecutive naturals, for example, 232321405 + ... + 232325371.

Almost surely, 2^921626880196 is an apocalyptic number.

921626880196 is the 960014-th square number.

It is an amenable number.

921626880196 is a deficient number, since it is larger than the sum of its proper divisors (852941180699).

921626880196 is an frugal number, since it uses more digits than its factorization.

921626880196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7982 (or 3980 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 921626880196 in words is "nine hundred twenty-one billion, six hundred twenty-six million, eight hundred eighty thousand, one hundred ninety-six".