1607109649 has 16 divisors (see below), whose sum is σ = 1663085952. Its totient is φ = 1552094208.

The previous prime is 1607109631. The next prime is 1607109667. The reversal of 1607109649 is 9469017061.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1607109631) and next prime (1607109667).

It is a cyclic number.

It is not a de Polignac number, because 1607109649 - 2⁹ = 1607109137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1607103649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1634412 + ... + 1635394.

It is an arithmetic number, because the mean of its divisors is an integer number (103942872).

Almost surely, 2^1607109649 is an apocalyptic number.

It is an amenable number.

1607109649 is a deficient number, since it is larger than the sum of its proper divisors (55976303).

1607109649 is a wasteful number, since it uses less digits than its factorization.

1607109649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 1607109649 is about 40088.7721064140. The cubic root of 1607109649 is about 1171.3369305999.

The spelling of 1607109649 in words is "one billion, six hundred seven million, one hundred nine thousand, six hundred forty-nine".