158966749 has 8 divisors (see below), whose sum is σ = 167884640. Its totient is φ = 150104016.

The previous prime is 158966747. The next prime is 158966803. The reversal of 158966749 is 947669851.

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

It is a cyclic number.

It is not a de Polignac number, because 158966749 - 2¹ = 158966747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 158966749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158966741) 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, 7794 + ... + 19459.

It is an arithmetic number, because the mean of its divisors is an integer number (20985580).

Almost surely, 2^158966749 is an apocalyptic number.

158966749 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

158966749 is a deficient number, since it is larger than the sum of its proper divisors (8917891).

158966749 is a wasteful number, since it uses less digits than its factorization.

158966749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27579.

The product of its digits is 3265920, while the sum is 55.

The square root of 158966749 is about 12608.2016560650. The cubic root of 158966749 is about 541.7123842228.

The spelling of 158966749 in words is "one hundred fifty-eight million, nine hundred sixty-six thousand, seven hundred forty-nine".