197768148 has 12 divisors (see below), whose sum is σ = 461459040. Its totient is φ = 65922712.

The previous prime is 197768119. The next prime is 197768213. The reversal of 197768148 is 841867791.

197768148 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×197768148² = 78224480726699808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 197768148.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8240328 + ... + 8240351.

It is an arithmetic number, because the mean of its divisors is an integer number (38454920).

Almost surely, 2^197768148 is an apocalyptic number.

It is an amenable number.

197768148 is an abundant number, since it is smaller than the sum of its proper divisors (263690892).

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

197768148 is a wasteful number, since it uses less digits than its factorization.

197768148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16480686 (or 16480684 counting only the distinct ones).

The product of its digits is 677376, while the sum is 51.

The square root of 197768148 is about 14063.0063642167. The cubic root of 197768148 is about 582.6200804833.

It can be divided in two parts, 1977 and 68148, that added together give a triangular number (70125 = T₃₇₄).

The spelling of 197768148 in words is "one hundred ninety-seven million, seven hundred sixty-eight thousand, one hundred forty-eight".