169680738 has 8 divisors (see below), whose sum is σ = 339361488. Its totient is φ = 56560244.

The previous prime is 169680737. The next prime is 169680739. The reversal of 169680738 is 837086961.

169680738 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (169680737) and next prime (169680739).

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

169680738 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (169680737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14140056 + ... + 14140067.

It is an arithmetic number, because the mean of its divisors is an integer number (42420186).

Almost surely, 2^169680738 is an apocalyptic number.

169680738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

169680738 is a wasteful number, since it uses less digits than its factorization.

169680738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28280128.

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 169680738 is about 13026.1559179982. The cubic root of 169680738 is about 553.6188235807.

The spelling of 169680738 in words is "one hundred sixty-nine million, six hundred eighty thousand, seven hundred thirty-eight".