16235653136 has 10 divisors (see below), whose sum is σ = 31456577982. Its totient is φ = 8117826560.

The previous prime is 16235653097. The next prime is 16235653139. The reversal of 16235653136 is 63135653261.

It can be written as a sum of positive squares in only one way, i.e., 12423331600 + 3812321536 = 111460^2 + 61744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16235653093 and 16235653102.

It is not an unprimeable number, because it can be changed into a prime (16235653139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507364145 + ... + 507364176.

Almost surely, 2^16235653136 is an apocalyptic number.

16235653136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16235653136 is a deficient number, since it is larger than the sum of its proper divisors (15220924846).

16235653136 is a wasteful number, since it uses less digits than its factorization.

16235653136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014728329 (or 1014728323 counting only the distinct ones).

The product of its digits is 291600, while the sum is 41.

The spelling of 16235653136 in words is "sixteen billion, two hundred thirty-five million, six hundred fifty-three thousand, one hundred thirty-six".