160971390 has 24 divisors (see below), whose sum is σ = 418525848. Its totient is φ = 42925680.

The previous prime is 160971389. The next prime is 160971443. The reversal of 160971390 is 93179061.

160971390 = 5672² + 5673² + ... + 5676².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 894196 + ... + 894375.

It is an arithmetic number, because the mean of its divisors is an integer number (17438577).

Almost surely, 2^160971390 is an apocalyptic number.

160971390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

160971390 is an abundant number, since it is smaller than the sum of its proper divisors (257554458).

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

160971390 is a wasteful number, since it uses less digits than its factorization.

160971390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788584 (or 1788581 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 160971390 is about 12687.4500984240. The cubic root of 160971390 is about 543.9799566397.

The spelling of 160971390 in words is "one hundred sixty million, nine hundred seventy-one thousand, three hundred ninety".