165370739 has 2 divisors, whose sum is σ = 165370740. Its totient is φ = 165370738.

The previous prime is 165370729. The next prime is 165370783. The reversal of 165370739 is 937073561.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165370739 is a prime.

It is a super-2 number, since 2×165370739² = 54694962634812242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165370696 and 165370705.

It is not a weakly prime, because it can be changed into another prime (165370729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82685369 + 82685370.

It is an arithmetic number, because the mean of its divisors is an integer number (82685370).

Almost surely, 2^165370739 is an apocalyptic number.

165370739 is a deficient number, since it is larger than the sum of its proper divisors (1).

165370739 is an equidigital number, since it uses as much as digits as its factorization.

165370739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119070, while the sum is 41.

The square root of 165370739 is about 12859.6554775002. The cubic root of 165370739 is about 548.8911422372.

The spelling of 165370739 in words is "one hundred sixty-five million, three hundred seventy thousand, seven hundred thirty-nine".