340655616 has 240 divisors, whose sum is σ = 1149033600. Its totient is φ = 95145984.

The previous prime is 340655611. The next prime is 340655641. The reversal of 340655616 is 616556043.

340655616 is a `hidden beast` number, since 34 + 0 + 6 + 5 + 5 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340655611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1903015 + ... + 1903193.

It is an arithmetic number, because the mean of its divisors is an integer number (4787640).

Almost surely, 2^340655616 is an apocalyptic number.

340655616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340655616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574516800).

340655616 is an abundant number, since it is smaller than the sum of its proper divisors (808377984).

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

340655616 is a wasteful number, since it uses less digits than its factorization.

340655616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 340655616 is about 18456.8582375224. The cubic root of 340655616 is about 698.4015335953.

The spelling of 340655616 in words is "three hundred forty million, six hundred fifty-five thousand, six hundred sixteen".