1632656065 has 32 divisors (see below), whose sum is σ = 2062609920. Its totient is φ = 1238958336.

The previous prime is 1632656063. The next prime is 1632656087. The reversal of 1632656065 is 5606562361.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1632656065 - 2¹ = 1632656063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1632656063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3526024 + ... + 3526486.

It is an arithmetic number, because the mean of its divisors is an integer number (64456560).

Almost surely, 2^1632656065 is an apocalyptic number.

It is an amenable number.

1632656065 is a deficient number, since it is larger than the sum of its proper divisors (429953855).

1632656065 is a wasteful number, since it uses less digits than its factorization.

1632656065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 1632656065 is about 40406.1389518969. The cubic root of 1632656065 is about 1177.5108077917.

The spelling of 1632656065 in words is "one billion, six hundred thirty-two million, six hundred fifty-six thousand, sixty-five".