16611707465 has 16 divisors (see below), whose sum is σ = 20057647680. Its totient is φ = 13207058880.

The previous prime is 16611707447. The next prime is 16611707503. The reversal of 16611707465 is 56470711661.

It is not a de Polignac number, because 16611707465 - 2¹⁴ = 16611691081 is a prime.

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, 1773695 + ... + 1783035.

It is an arithmetic number, because the mean of its divisors is an integer number (1253602980).

Almost surely, 2^16611707465 is an apocalyptic number.

It is an amenable number.

16611707465 is a deficient number, since it is larger than the sum of its proper divisors (3445940215).

16611707465 is a wasteful number, since it uses less digits than its factorization.

16611707465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11512.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 16611707465 in words is "sixteen billion, six hundred eleven million, seven hundred seven thousand, four hundred sixty-five".