1696540145 has 16 divisors (see below), whose sum is σ = 2130112512. Its totient is φ = 1294708800.

The previous prime is 1696540129. The next prime is 1696540151. The reversal of 1696540145 is 5410456961.

It is not a de Polignac number, because 1696540145 - 2⁴ = 1696540129 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23120 + ... + 62670.

It is an arithmetic number, because the mean of its divisors is an integer number (133132032).

Almost surely, 2^1696540145 is an apocalyptic number.

It is an amenable number.

1696540145 is a deficient number, since it is larger than the sum of its proper divisors (433572367).

1696540145 is a wasteful number, since it uses less digits than its factorization.

1696540145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39952.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 1696540145 is about 41189.0779819117. The cubic root of 1696540145 is about 1192.6729795204.

The spelling of 1696540145 in words is "one billion, six hundred ninety-six million, five hundred forty thousand, one hundred forty-five".