16465422685 has 8 divisors (see below), whose sum is σ = 19943166816. Its totient is φ = 13049231760.

The previous prime is 16465422683. The next prime is 16465422697. The reversal of 16465422685 is 58622456461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16465422685 - 2¹ = 16465422683 is a prime.

It is a super-2 number, since 2×16465422685² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16465422683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15387711 + ... + 15388780.

It is an arithmetic number, because the mean of its divisors is an integer number (2492895852).

Almost surely, 2^16465422685 is an apocalyptic number.

It is an amenable number.

16465422685 is a deficient number, since it is larger than the sum of its proper divisors (3477744131).

16465422685 is a wasteful number, since it uses less digits than its factorization.

16465422685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30776603.

The product of its digits is 2764800, while the sum is 49.

The spelling of 16465422685 in words is "sixteen billion, four hundred sixty-five million, four hundred twenty-two thousand, six hundred eighty-five".