160781340 has 48 divisors (see below), whose sum is σ = 450767520. Its totient is φ = 42819840.

The previous prime is 160781333. The next prime is 160781371. The reversal of 160781340 is 43187061.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 160781298 and 160781307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69726 + ... + 71994.

It is an arithmetic number, because the mean of its divisors is an integer number (9390990).

Almost surely, 2^160781340 is an apocalyptic number.

160781340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160781340 is an abundant number, since it is smaller than the sum of its proper divisors (289986180).

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

160781340 is a wasteful number, since it uses less digits than its factorization.

160781340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3462 (or 3460 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 160781340 is about 12679.9582018239. The cubic root of 160781340 is about 543.7657900026.

The spelling of 160781340 in words is "one hundred sixty million, seven hundred eighty-one thousand, three hundred forty".