168830739 has 24 divisors (see below), whose sum is σ = 304042752. Its totient is φ = 87703920.

The previous prime is 168830729. The next prime is 168830747. The reversal of 168830739 is 937038861.

It is a happy number.

It is not a de Polignac number, because 168830739 - 2⁵ = 168830707 is a prime.

It is a super-2 number, since 2×168830739² = 57007636862572242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 168830694 and 168830703.

It is not an unprimeable number, because it can be changed into a prime (168830729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121119 + ... + 122504.

It is an arithmetic number, because the mean of its divisors is an integer number (12668448).

Almost surely, 2^168830739 is an apocalyptic number.

168830739 is a deficient number, since it is larger than the sum of its proper divisors (135212013).

168830739 is a wasteful number, since it uses less digits than its factorization.

168830739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243647 (or 243644 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 168830739 is about 12993.4883306986. The cubic root of 168830739 is about 552.6928426017.

The spelling of 168830739 in words is "one hundred sixty-eight million, eight hundred thirty thousand, seven hundred thirty-nine".