16492237065 has 40 divisors (see below), whose sum is σ = 29573973000. Its totient is φ = 8792851968.

The previous prime is 16492237031. The next prime is 16492237087. The reversal of 16492237065 is 56073229461.

16492237065 is a `hidden beast` number, since 16 + 492 + 23 + 70 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2230861824 + 14261375241 = 47232^2 + 119421^2 .

It is not a de Polignac number, because 16492237065 - 2¹⁰ = 16492236041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16492237065.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1686811 + ... + 1696559.

It is an arithmetic number, because the mean of its divisors is an integer number (739349325).

Almost surely, 2^16492237065 is an apocalyptic number.

16492237065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16492237065 is a deficient number, since it is larger than the sum of its proper divisors (13081735935).

16492237065 is an equidigital number, since it uses as much as digits as its factorization.

16492237065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13943 (or 13934 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 16492237065 in words is "sixteen billion, four hundred ninety-two million, two hundred thirty-seven thousand, sixty-five".