165627652749 has 8 divisors (see below), whose sum is σ = 237824321952. Its totient is φ = 101924709360.

The previous prime is 165627652741. The next prime is 165627652763. The reversal of 165627652749 is 947256726561.

It is a happy number.

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

It is not a de Polignac number, because 165627652749 - 2³ = 165627652741 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 165627652692 and 165627652701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165627652741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2123431407 + ... + 2123431484.

It is an arithmetic number, because the mean of its divisors is an integer number (29728040244).

Almost surely, 2^165627652749 is an apocalyptic number.

It is an amenable number.

165627652749 is a deficient number, since it is larger than the sum of its proper divisors (72196669203).

165627652749 is a wasteful number, since it uses less digits than its factorization.

165627652749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4246862907.

The product of its digits is 38102400, while the sum is 60.

The spelling of 165627652749 in words is "one hundred sixty-five billion, six hundred twenty-seven million, six hundred fifty-two thousand, seven hundred forty-nine".