160681390 has 16 divisors (see below), whose sum is σ = 289516320. Its totient is φ = 64208160.

The previous prime is 160681387. The next prime is 160681397. The reversal of 160681390 is 93186061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160681397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3175 + ... + 18205.

It is an arithmetic number, because the mean of its divisors is an integer number (18094770).

Almost surely, 2^160681390 is an apocalyptic number.

160681390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

160681390 is a deficient number, since it is larger than the sum of its proper divisors (128834930).

160681390 is a wasteful number, since it uses less digits than its factorization.

160681390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16107.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 160681390 is about 12676.0163300621. The cubic root of 160681390 is about 543.6530889956.

The spelling of 160681390 in words is "one hundred sixty million, six hundred eighty-one thousand, three hundred ninety".