16064003645 has 16 divisors (see below), whose sum is σ = 19606330800. Its totient is φ = 12633298944.

The previous prime is 16064003639. The next prime is 16064003651. The reversal of 16064003645 is 54630046061.

It is an interprime number because it is at equal distance from previous prime (16064003639) and next prime (16064003651).

It can be written as a sum of positive squares in 8 ways, for example, as 3051126169 + 13012877476 = 55237^2 + 114074^2 .

It is a cyclic number.

It is not a de Polignac number, because 16064003645 - 2⁴ = 16064003629 is a prime.

It is a Curzon number.

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, 38882 + ... + 183411.

It is an arithmetic number, because the mean of its divisors is an integer number (1225395675).

Almost surely, 2^16064003645 is an apocalyptic number.

It is an amenable number.

16064003645 is a deficient number, since it is larger than the sum of its proper divisors (3542327155).

16064003645 is a wasteful number, since it uses less digits than its factorization.

16064003645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222544.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 16064003645 in words is "sixteen billion, sixty-four million, three thousand, six hundred forty-five".