1652116645 has 16 divisors (see below), whose sum is σ = 1992600000. Its totient is φ = 1315006848.

The previous prime is 1652116589. The next prime is 1652116673. The reversal of 1652116645 is 5466112561.

It is a cyclic number.

It is not a de Polignac number, because 1652116645 - 2⁷ = 1652116517 is a prime.

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, 1019646 + ... + 1021264.

It is an arithmetic number, because the mean of its divisors is an integer number (124537500).

Almost surely, 2^1652116645 is an apocalyptic number.

It is an amenable number.

1652116645 is a deficient number, since it is larger than the sum of its proper divisors (340483355).

1652116645 is a wasteful number, since it uses less digits than its factorization.

1652116645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532.

The product of its digits is 43200, while the sum is 37.

The square root of 1652116645 is about 40646.2377717791. The cubic root of 1652116645 is about 1182.1708208013.

The spelling of 1652116645 in words is "one billion, six hundred fifty-two million, one hundred sixteen thousand, six hundred forty-five".