165298742 has 8 divisors (see below), whose sum is σ = 283369296. Its totient is φ = 70842312.

The previous prime is 165298741. The next prime is 165298747. The reversal of 165298742 is 247892561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 165298693 and 165298702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165298741) 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 3 ways as a sum of consecutive naturals, for example, 5903513 + ... + 5903540.

It is an arithmetic number, because the mean of its divisors is an integer number (35421162).

Almost surely, 2^165298742 is an apocalyptic number.

165298742 is a deficient number, since it is larger than the sum of its proper divisors (118070554).

165298742 is a wasteful number, since it uses less digits than its factorization.

165298742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11807062.

The product of its digits is 241920, while the sum is 44.

The square root of 165298742 is about 12856.8558364788. The cubic root of 165298742 is about 548.8114742697.

The spelling of 165298742 in words is "one hundred sixty-five million, two hundred ninety-eight thousand, seven hundred forty-two".