16465654655 has 16 divisors (see below), whose sum is σ = 20449450080. Its totient is φ = 12712495488.

The previous prime is 16465654651. The next prime is 16465654669. The reversal of 16465654655 is 55645656461.

It is a cyclic number.

It is not a de Polignac number, because 16465654655 - 2² = 16465654651 is a prime.

It is a super-2 number, since 2×16465654655² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16465654597 and 16465654606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16465654651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307724 + ... + 357246.

It is an arithmetic number, because the mean of its divisors is an integer number (1278090630).

Almost surely, 2^16465654655 is an apocalyptic number.

16465654655 is a deficient number, since it is larger than the sum of its proper divisors (3983795425).

16465654655 is a wasteful number, since it uses less digits than its factorization.

16465654655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51850.

The product of its digits is 12960000, while the sum is 53.

The spelling of 16465654655 in words is "sixteen billion, four hundred sixty-five million, six hundred fifty-four thousand, six hundred fifty-five".