162730197 has 12 divisors (see below), whose sum is σ = 268634080. Its totient is φ = 92988648.

The previous prime is 162730177. The next prime is 162730237. The reversal of 162730197 is 791037261.

It is a happy number.

It is not a de Polignac number, because 162730197 - 2¹⁶ = 162664661 is a prime.

It is a super-2 number, since 2×162730197² = 52962234031317618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162730157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1291447 + ... + 1291572.

Almost surely, 2^162730197 is an apocalyptic number.

It is an amenable number.

162730197 is a deficient number, since it is larger than the sum of its proper divisors (105903883).

162730197 is a wasteful number, since it uses less digits than its factorization.

162730197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583032 (or 2583029 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 162730197 is about 12756.5746577990. The cubic root of 162730197 is about 545.9539972513.

The spelling of 162730197 in words is "one hundred sixty-two million, seven hundred thirty thousand, one hundred ninety-seven".