168350390 has 16 divisors (see below), whose sum is σ = 326341008. Its totient is φ = 62160096.

The previous prime is 168350383. The next prime is 168350401. The reversal of 168350390 is 93053861.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 168350390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647372 + ... + 647631.

It is an arithmetic number, because the mean of its divisors is an integer number (20396313).

Almost surely, 2^168350390 is an apocalyptic number.

168350390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168350390 is a deficient number, since it is larger than the sum of its proper divisors (157990618).

168350390 is a wasteful number, since it uses less digits than its factorization.

168350390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295023.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 168350390 is about 12974.9909441202. The cubic root of 168350390 is about 552.1681797813.

The spelling of 168350390 in words is "one hundred sixty-eight million, three hundred fifty thousand, three hundred ninety".