165975298336 has 48 divisors (see below), whose sum is σ = 330374955960. Its totient is φ = 82075064320.

The previous prime is 165975298309. The next prime is 165975298343. The reversal of 165975298336 is 633892579561.

It can be written as a sum of positive squares in 4 ways, for example, as 110582851600 + 55392446736 = 332540^2 + 235356^2 .

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, 1108926 + ... + 1249666.

Almost surely, 2^165975298336 is an apocalyptic number.

165975298336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

165975298336 is a deficient number, since it is larger than the sum of its proper divisors (164399657624).

165975298336 is a wasteful number, since it uses less digits than its factorization.

165975298336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141157 (or 141149 counting only the distinct ones).

The product of its digits is 73483200, while the sum is 64.

The spelling of 165975298336 in words is "one hundred sixty-five billion, nine hundred seventy-five million, two hundred ninety-eight thousand, three hundred thirty-six".