197914655376 has 135 divisors (see below), whose sum is σ = 560125786467. Its totient is φ = 65236616640.

The previous prime is 197914655369. The next prime is 197914655383. The reversal of 197914655376 is 673556419791.

It is a happy number.

The square root of 197914655376 is 444876.

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

197914655376 is a `hidden beast` number, since 1 + 9 + 7 + 9 + 1 + 4 + 6 + 553 + 76 = 666.

It is an interprime number because it is at equal distance from previous prime (197914655369) and next prime (197914655383).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 699344931 + ... + 699345213.

Almost surely, 2^197914655376 is an apocalyptic number.

197914655376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

197914655376 is the 444876-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197914655376

197914655376 is an abundant number, since it is smaller than the sum of its proper divisors (362211131091).

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

197914655376 is an equidigital number, since it uses as much as digits as its factorization.

197914655376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 419 counting only the distinct ones).

The product of its digits is 42865200, while the sum is 63.

The spelling of 197914655376 in words is "one hundred ninety-seven billion, nine hundred fourteen million, six hundred fifty-five thousand, three hundred seventy-six".