197670171948 has 24 divisors (see below), whose sum is σ = 461292511680. Its totient is φ = 65881184400.

The previous prime is 197670171859. The next prime is 197670171961. The reversal of 197670171948 is 849171076791.

It is a super-2 number, since 2×197670171948² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 197670171891 and 197670171900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015978 + ... + 1194801.

It is an arithmetic number, because the mean of its divisors is an integer number (19220521320).

Almost surely, 2^197670171948 is an apocalyptic number.

It is an amenable number.

197670171948 is an abundant number, since it is smaller than the sum of its proper divisors (263622339732).

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

197670171948 is a wasteful number, since it uses less digits than its factorization.

197670171948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218237 (or 2218235 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 60.

The spelling of 197670171948 in words is "one hundred ninety-seven billion, six hundred seventy million, one hundred seventy-one thousand, nine hundred forty-eight".