1616474423465 has 32 divisors (see below), whose sum is σ = 2227657420800. Its totient is φ = 1113657577920.

The previous prime is 1616474423453. The next prime is 1616474423467. The reversal of 1616474423465 is 5643244746161.

It is not a de Polignac number, because 1616474423465 - 2⁴ = 1616474423449 is a prime.

It is a super-2 number, since 2×1616474423465² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616474423467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15496574 + ... + 15600536.

It is an arithmetic number, because the mean of its divisors is an integer number (69614294400).

Almost surely, 2^{1616474423465} is an apocalyptic number.

It is an amenable number.

1616474423465 is a deficient number, since it is larger than the sum of its proper divisors (611182997335).

1616474423465 is a wasteful number, since it uses less digits than its factorization.

1616474423465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118877.

The product of its digits is 11612160, while the sum is 53.

The spelling of 1616474423465 in words is "one trillion, six hundred sixteen billion, four hundred seventy-four million, four hundred twenty-three thousand, four hundred sixty-five".