197137738246 has 16 divisors (see below), whose sum is σ = 311865307200. Its totient is φ = 93202475688.

The previous prime is 197137738219. The next prime is 197137738271. The reversal of 197137738246 is 642837731791.

It is a happy number.

It is a super-2 number, since 2×197137738246² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 4939816 + ... + 4979563.

It is an arithmetic number, because the mean of its divisors is an integer number (19491581700).

Almost surely, 2^197137738246 is an apocalyptic number.

197137738246 is a deficient number, since it is larger than the sum of its proper divisors (114727568954).

197137738246 is a wasteful number, since it uses less digits than its factorization.

197137738246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9919923.

The product of its digits is 10668672, while the sum is 58.

The spelling of 197137738246 in words is "one hundred ninety-seven billion, one hundred thirty-seven million, seven hundred thirty-eight thousand, two hundred forty-six".